Part A
A low-friction cart moving to the right at 2 m/s bounces elastically off a stationary barrier at the end. What is the velocity of the cart after it bounces off the barrier?
A. 0 m/s
B. 1 m/s to the left
C. 2 m/s to the left
D. 3 m/s to the left
E. 4 m/s to the left
Part B
A low-friction cart moving to the right at 2 m/s bounces elastically off a moving barrier at the end. The barrier is moving to the left at 1 m/s relative to the track. What is the velocity of the cart after it bounces off the barrier?
A. 0 m/s
B. 1 m/s to the left
C. 2 m/s to the left
D. 3 m/s to the left
E. 4 m/s to the left
Part A A low-friction cart moving to the right at 2 m/s bounces elastically off a...
14. A 2 kg mass moving to the right at 5 m/s overtakes and collides elastically with a A 10 kg mass moving at 1 m/s to the right. How fast and in what direction is the 2 kg í mass-moving after the collision? (positive velocity is to the right, negative is to the left) a) -1.66 m/ s b ) -1.00 m/s c) O m/s d) +1.00 m/s e) +1.67 m/s
A 1.0-kg standard cart collides on a low-friction track with cart A. The standard cart has an initial x component of velocity of +0.40 m/s, and cart A is initially at rest. After the collision the x component of velocity of the standard cart is +0.20 m/s and the x component of velocity of cart A is +0.65 m/s . After the collision, cart A continues to the end of the track and rebounds with its speed unchanged. Before the...
A ball of mass m moving at 5 m/s at 0° bounces off an identical ball of mass m at rest. The first ball bounces off the second ball and moves away at a velocity of 2.5 m/s and an angle of -60°. If the second ball is moving at 4.36 m/s after the cos m bounce, what is its angle? SrM 0
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A cart of mass m rolls without friction on a level
surface, and is attached to a light spring of constant k,
the other end of which is attached to a wall. Take the initial
position of the cart, where the spring is neither extended nor
compressed, to be the origin x = 0 of a coordinate system
where positive x values are to the right and positive
vectors point to the right. The cart is pushed to the left...
A cart with a spring on the end of it is moving to the right in the positive x direction) on a frictionless air track as shown in the figure at the right. The initial position of the cart is arbitrary. It keeps going until it hits a wall, the spring compresses, and the cart bounces off the wall and moves in the opposite direction. Select all the graphs that could represent each of the following quantities as a function...
8. A red cart traveling at 70 cm/s to the right collides head on elastically with a blue cart traveling at 40 cm/s to the left. If the blue cart has twice as much mass as the red cart, what is the speed of the red cart just after the collision occurs? a) 76.7 cm/s b) 55.1 cm/s c) 63.3 cm/s d) 83.3 cm/s e) 90.0 cm/s
A 0.500 kg cart (A) with a velocity of +2.00 m/s collides with a 1.50 kg cart (B) moving with a velocity of -1.00 m/s on a low-friction track. After the collision, cart A is moving at -1.50 m/s. a. What is the final velocity of cart B? b. Draw a velocity vs. time plot (by hand) for the interaction. Draw both carts’ velocities on the same plot, and label your axes with an appropriate scale. The time of the...
Fundamental Constants: g = 9.81 m/s. standard acceleration of gravity 1. A cart is moving on a horizontal track with initial velocity vo 0.4 m/s. The m ass of the cart is m = 0.25 kg. Then the cart stops at the distance D = 2 m away from the initial position. (a) Write Lagrange equation (LE) for the cart; (b) Derive kinematic equations; (c) Calculate the coefficient of the dynamic friction μ; (d) Calculate the time te that the...
Homework H.4.M Given: A cannonball P of mass m is fired toward a steel barrier on a stationary cart. At some time after rebounding from the barrier, the cannonball is observed to have a speed of up and is moving in the direction shown below in the figure. Let M be the combined mass of the cannon/cart. Assume that the cart is able to move without friction along the horizontal surface and ignore the influence of air resistance. Find: For...