75 is the acceleration of the object. 5. 75 m/s B. Solve by multiplying the mass and the velocity. User: if the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object Weegy: a = (98 m/s - 65 m/s)/12 s = 33 m/s/12 s = 2. This acceleration only changes the vertical velocity, so the horizontal velocity is constant. The 0. average velocity. Log in for more information. tionless pulley as shown in the gure below. Instantaneous velocity is a vector quantity that includes both the speed and the direction in which the object is moving. If the velocity of an object changes from 65 m/s to 98 m/s during a. Kinetic Energy is the energy an object has owing to its motion. 13. 2. The object changes its speed over some time, this means that there is an acceleration. Angular acceleration on the other hand is the change in the angular velocity with respect to time. Formula . Where: u = initial velocity. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. The diagram below depicts the changes in velocity of a ball that undergoes a collision with a wall. We are. Question 1009395: If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. The acceleration is given by finding the slope of the velocity graph. Thus Fnet=ma, is sumFx=max=0 and sumFy=may=0. 6743×10-11 m3/ (kg·s2). 75 m/s C. It is the rate of change of distance. 75 m/s ². ) Measure of how angular velocity changes over time. Related concepts to force include thrust, which increases the velocity of an object; drag, which decreases the velocity of an object; and torque which. The kinetic energy formula defines the relationship between the mass of an object and its velocity. Projectile motion only occurs when there is one force applied at the beginning of the trajectory, after which the only interference is from gravity. 33 m/s D. 75 m /s. 58 m/s D. Instantaneous speed is a measurement of how fast an object is moving at that particular moment. 1. what's the force of gravity acting on the rock, on the moon Weegy: 2+2=4 Score 1 User: within the. 42 m/s Weegy: If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. Air resistance on the ball is negligible. AI-generated answer Answer No one rated this answer yet — why not be the first? 😎 topoisomerase Acceleration is the derivative of velocity, meaning it represents the. Time (t): The duration for which the acceleration occurs. Therefore, the initial velocity is the velocity of the object before the effect of acceleration, which causes the change. 2. 2. 33 m/s D. acceleration - the rate at which the stuff changes its velocity c. If the angular velocity of an object changes from 3 rad/s to 1 rad/s in 2 seconds, what is the object's. Acceleration is the rate of change of velocity. The rotational analogue of linear acceleration. Angular velocity (ω) is the angular version of linear velocity v. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. Linear velocity is speed in a straight line (measured in m/s) while angular velocity is the change in angle over time (measured in rad/s, which can be converted into degrees as well). 75m/s (c) 13. Added 351 days ago|10/26/2022. 2. 75 m/s^2. Acceleration = change of velocity ÷ time taken. Newtons first law. v a v g = Δ x Δ t = x f − x 0 t f − t 0. 0001 seconds, its velocity is 50 meters/second. An object with no movement at all has a zero speed. 58 meters per second squared B. A description of how fast or slow an object moves is its speed. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. 75 m /sK E = 1 2 m v 2. 13. 5. 12 kg. 75 m /s ]An object's speed changes whenever the rate of change between the distance the object travels and the time it takes to travel that distance changes. 75 m/s. The average velocity during the 1-h interval from 40 km/h to 80 km/h is 60 km/h: v – = v 0 + v 2 = 40 km/h + 80 km/h 2 = 60 km/h. 75 m /s. To find the average velocity, recall that. This answer has been confirmed as correct and helpful. Σ F horizontal = 15 N. Acceleration is a vector quantity; that is, it has a direction associated with it. 75 m/s B. 75 meters per second squared B. 13. 58 m/s D. Since the arclength around a circle is given by the radius*angle (l = r*theta), you can convert an angular velocity w into linear velocity v. What is the acceleration of the object? C - 4 m/s2. 2. 75. The SI units of momentum are kg·m/s or N·s, and imperial units are lbs·ft/s. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 /. Only at exactly 6 seconds the ball has 0 m/s. 13. 4 m/s 2 in positive acceleration. Moving objects are having static or varying velocity. friction. 20 questions. Kinetic energy formula. ; Without the effect of air resistance, each object in free fall would keep accelerating by 9. 42 meters per second squared. 75 m/s B. 42 m/s C. 5 m/s. 33 m/s C. 61. This answer has been confirmed as correct and helpful. 13. 2. (Right:) Path of an object whose velocity vector changes continuously and cannot be considered as linear. 75 m/s B. 33 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. 81 m/s 2 (32. momentum. 58 m/s D. 2. The speed of the 0. 5. 2. Log in for more information. Which describes the acceleration? negative acceleration of 4 m/s2 positive acceleration of 4 m/s2 positive acceleration of 9 m/s2 negative acceleration of 9 m/s2. 75 m/s is the acceleration of the object. 75 m /s ] User: if the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object? Weegy: If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12s, [ 2. t) Each of these graphs helps to tell the story of the motion of an object. During the 1-h interval, velocity is closer to 80 km/h than 40 km/h. For instance, a free-falling object changes its velocity by -9. 2. 58 meters per second squared B. 5 m/s. 5. 33 meters per second squared B. 58 m/s. W = F*d*cos (Theta) In this case, the d=6. 2 mathrm{m}) cos left(pi s^{-1} ight) t x = (0. The same energy could be used to decelerate the object but. An alternate method to calculate angular velocity is by dividing the angle traveled (θ) by the time elapsed (t): ω = θ / t. 33 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. 3. Pick two quantities. 13. If the total energy is zero or greater, the object escapes. 75 meters per second squared B. Although speed and velocity are often words used interchangeably, in physics, they are distinct concepts. 8-kg halfback encountering a force of 1025 N for 0. Hope this helps!Unlike speed, velocity measures displacement, a vector quantity indicating the difference between an object's final and initial positions. 10 years ago. On Earth, all free-falling objects have an acceleration due to gravity g, which averages. 50 m/s after the collision. 80) h = 4. Explanation: Given initial velocity = 15 m/s and final velocity = 50 m/s and time = 4s; Acceleration of the object = Change in velocity/Time = 50 - 15/4 = 35/4 = 8. Applying the steps above produces: If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 33 meters per second squared B. One method for describing the motion of an object is through the use of position-time graphs which show the position of the object as a function of time. Speed is a scalar quantity - it is defined by magnitude only. 75 m/s D. 2. the velocity of the moving body is v, the velocity of light is c Solved Examples. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 33 m/s C. 33 m/s C. And since the quantity m•v is the momentum, the quantity m•Δv must be the change in momentum. In reality, though, a. 13. 75 m/s. We denote it by \mathbf {p} p: \mathbf {v} v – Velocity of the object. If the same force acts upon another object whose mass is 13 , what is this object's acceleration d. Which of the following statements is true about the motion of the object?. 5. An object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 seconds. 42m/s (d) 33m/s This problem has been solved! If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. Which describes the acceleration? 4 m/s 2 in negative acceleration. 72. 5 seconds. 13. 33. 5. This answer has been confirmed as correct and helpful. 3. Velocity is a physical vector quantity: both magnitude and direction are needed to define it. The displacement for the round trip is zero, since there was no net change in position. When the velocity of an object changes, the object is accelerating. Many terms and factors are relevant in the motion. Impulse = Change in momentum. Speed is a scalar and velocity is a vector. 4 m/s. In general, if an object moves with constant acceleration a, its acceleration can be related to its initial and final velocities by a = ( v final - v initial) / ( t final - t initial. 13. Dynamics and Newton 2nd Law. 75 m /s ;. Average velocity ( v) of an object is equal to its final velocity (v) plus initial velocity (u), divided by two. b. 2. 5. In fact, the amount of energy it takes to change an object's velocity is an indirect measure of the object's mass. Question and answer 8. 5 with the v v being the speed of the particle at that instant (and in addition to the centripetal acceleration, the particle also has some along-the-circular-path acceleration known as tangential acceleration). ”. 2. 1. Velocity of an object only changes when acted on by an. An object is accelerating if it is changing its velocity. Average accelerationc. The formula for acceleration is given by the equation: Plugging in the values, we get:User: If the velocity of a body changes from 13 m/s to 30 m/s while undergoing constant acceleration, what's the average velocity of the body? Weegy: If the velocity of a body changes from 13 m/s to 30 m/s while undergoing constant acceleration, the average velocity of the body is 21. Solution: acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. 42 m/s B. 5. 0 s and 1. The rate at which the velocity of an object changes. 2. 75 m/s. acceleration - the rate at which the stuff changes its velocity c. We know that the condom Matic equation is equal to the initial square plus two acceleration into displacement. A car travels 65 km in 1 hour What is its average speed in meters per second. Chris: “A projectile has no acceleration in the vertical dimension but it does accelerate horizontally. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. 75 meters per second squared B. 75 m/s^2. emdjay23. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, [ the acceleration of the object 2. For example, say a problem asks you to calculate the momentum of a 15\text { kg} 15 kg object moving at 6\text { m/s}\text { North} 6 m/s North. The horizontal velocity of a projectile is constant (a never changing in value), There is a vertical acceleration caused by gravity; its value is 9. 75 m /s. Acceleration is the derivative of velocity, meaning it represents the change in velocity for a given time interval. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. 2. As this object travels its initial velocity will change by -9. 75 m/s is the acceleration of the object. The acceleration is a constant downwards 9. 75. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. Velocity is the rate of the change in the position of an object relative to time. 9 m/s 2 in negative acceleration You can type the initial and final momentum values into our calculator to find the impulse directly from the impulse formula J = Δp. 75 meters per second squared B. Log in for more information. Note that this is the same operation we did in one dimension, but now the vectors are in three-dimensional space. Speed of. The result will be in joules if you used SI units. 75 m/s^2 Score 1 User: A moon rock has a mass of 125 kg. Step-by-step explanation: We are given with, an object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 second. As mentioned earlier in Lesson 1, an object moving in uniform circular motion is moving in a circle with a uniform or constant speed. Which one of the following statements describes a fast-moving object? and more. If the velocity of an object changes from 65 m/s to 98 m/s during a. Average velocity is displacement divided by the time over which the displacement occurs. 2 lists some typical drag coefficients for a variety of objects. 2. 8 m/s/s, down, The vertical velocity of a projectile changes by 9. what's the force of gravity acting on the rock, on the moon Weegy: 2+2=4 Score 1 The average speed is the distance (a scalar quantity) per time ratio. 58 meters per second squared D. In the equation ac= v 2 /r for centripetal acceleration, the r stands for. 2. 13. force. Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object’s movement. 75 m/s B. User: If the velocity of an object changes from 65 m/s to 98 m/s during the time interval of 12 s, whats the acceleration of the object?A 13. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. 33 m/s C. On Earth's surface, you can use g = 9. 33 meters per second squared B. 75 m/s. 2. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. Unlike simple friction, the drag force is proportional to some function of the velocity of the object in that fluid. Three objects in a system are moving as follows: Object 1 has a mass of 5. } Increasing the velocity changes the slope. This answer has been confirmed as correct and helpful. 13. 33 meters per second squared B. 75 m /s ; acceleration = v2. 75 m /s. 8. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. 2. 3. 13. Speed is the rate at which an object changes its location. Kinetic energy formula. . Momentum is defined to be the mass m of an object times its velocity V. 2. 33 m/s C. Initial speed is 65 m/s and final speed is 25 m/s. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. Let’s imagine a scenario for the graph to the right. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 seconds what’s the acceleration of the object If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. In fact, the amount of energy it takes to change an object's velocity is an indirect measure of the object's mass. what's the force of gravity acting on the rock, on the moon Weegy: 2+2=4 Score 1 Figure [Math Processing Error] 2. weight - the force by which gravity attracts the stuff to Earth d. Yupp Here is your answer:Acceleration =change in velocity /time. Newton's first law says that if the net force on an object is zero ( Σ F = 0 ), then that object will have zero acceleration. 2. An object of mass 0. The Centripetal Force Requirement. The web page provides the formula, the steps and the explanation for this calculation. 75 m/s, according to the web page. 5. Like average velocity, instantaneous velocity is a vector with dimension of length per time. If an object changes its speed or the direction of its velocity, then it has a non-zero acceleration. 33 m/s. The slope of a velocity graph represents the acceleration of the object. Your velocity went from 65 to 98 m/s - that's a positive change (gain) of 33 m/s. User: if the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object Weegy: a = (98 m/s - 65 m/s)/12 s = 33 m/s/12 s = 2. 2. 250 kg object emerges from the room at an angle of 45º with its incoming direction. 58 m/s B. 58 meters per second squared D. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object? A. 33 m/s C. ): The car changed its position by 36 meters over 8 seconds. Log in for more information. None of these 3. Acceleration. Figure 8. An object moves with constant acceleration 3. relative motion. Which of the following statements about speed and velocity is correct? Velocity only describes an object’s rate of motion. 2 m) cos (π s − 1) t x=(0. 75 m/s C. 42 meters per second squared C. 73. 33 m/s C. 5 m/s^2. 75 m/s^2. In simple terms, it tells you how fast an object is moving. 2. 58 meters per second squared C. 33 m/s C. According to Newton's second law, acceleration is directly proportional to the summation of all forces that act on an object and inversely proportional to its mass. The momentum of an object is defined as its mass (the kind defined by m = F/a m = F /a) times its velocity. 5. Suggest Corrections. 75 m/s B. 75 is the acceleration of the object. A graph that has velocity plotted on the vertical axis and time plotted on the horizontal axis. 75 meters per second squared. 5. In this formula, v a v g is the average velocity; Δ x is the change in position, or displacement; and x f and x 0 are the final and beginning positions at times t f and t 0 , respectively. 75 m/s, which is the result of dividing the change in velocity by the time. 75 is the acceleration of the object. Which of the following objects has an average velocity of 0 m/s?, 3. 38,574,224. Find the acceleration of an object that changes from 65 m/s to 98 m/s in 12 s. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. It is because direction itself does not has any unit and It does not affect the unit of velocity. 8 m/s every second. Third, let’s check units. Another way of visualizing the motion of an object is to use a graph. 33 m/s. 34. the position and velocity of the ball. what's the force of gravity acting on the rock, on the moon Weegy: 2+2=4 Score 1 If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. When an object speeds up or slows down this is a change in the objects velocity. The Momentum Calculator uses the formula p=mv, or momentum (p) is equal to mass (m) times velocity (v). 75 m /s. 58 m/s C. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s . As a result, the Earth moves in a nearly circular orbit. 30 (a) Velocity of the motorboat as a function of time. What acceleration caused this change in velocity? The rate at which an object's velocity changes with time is called its _____. We use the uppercase Greek letter delta ( Δ Δ) to mean “change in” whatever quantity follows it; thus, Δ Δ x means. 75 m/s B. This means that any change in vertical speed is due to gravitational acceleration, which is 9. The SI unit for velocity is m/s or m s –1, although km h –1 is used in many everyday applications. The displacement is given by finding the area under the line in the velocity vs. A). 2. 5. 75 m/s^2. 1) Δ x = x f − x 0, where Δ Δ x is displacement, x f is the final position, and x 0 is the initial position. 2. 58 meters per second squared C. Calculate the velocity of an object moved around a circle with a radius of 1. 3 degrees. User: if the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object Weegy: a = (98 m/s - 65 m/s)/12 s = 33 m/s/12 s = 2. the rate at which an object changes its velocity. Speed is a ____ quantity and velocity is a ___ quantity. Velocity is a vector quantity that refers to "the rate at which an object changes its position. 13. 75 m/s^2 Score 1 User: A moon rock has a mass of 125 kg. If an object rotates through a greater angle of rotation in a given time, it has a greater angular speed. v = velocity. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 60 kg is released from rest at a height h = 3. The amount of matter or "stuff" in an object is referred to as the _____ of the object. 5 m/sLlike speed, change in velocity can occur when an object speeds up and slows down. 58 m/s Weegy: A tenement is a type of building shared by multiple dwellings, typically with flats or apartments on each floor and with shared entrance stairway access, on the British isles notably common in Scotland.