Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 3.2, Problem 2eT
For motion 1, draw vector in region II of the enlargement that represent the momentum of the ball at the top of the ramp and at the bottom of the ramp (i.e., at the top and bottom of region II). Use these Vector to construct the change in momentum vector
How is the direction of
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Students have asked these similar questions
Two objects have a perfectly elastic collision, as exactly illustrated in the diagram below. The first object (red ball) comes in at some initial speed and strikes the second one (blue ball), which was initially stationary in our reference frame. What is the speed of the blue ball after the collision? Write your answer as a fraction of v1. In other words, if you get v2 = 0.20v1, just enter 0.20.
All we know is the proportionality of the masses and the relative speed of the first ball before and after the collision.
In the figure on right, block 1 of
mass m₁ moves a frictionless floor as shown
with an initial speed of V₁i 5.00 m/s. It
undergoes a one-dimensional elastic
collision with a resting block 2 of mass m₂ = 0.500m₁. Then block 2 undergoes a
0.500m₂.
one-dimensional elastic collision with stationary block 3 of mass m²
What then is the speed of block 3?
Compare the kinetic energy, and the momentum of block 3 with the
kinetic energy and momentum of block 1? Does the answer make sense?
determine the ratio of impulse of Block1 to the impulse
a.
b.
C.
of block 3 after the collision.
1
2
3
Consider the before- and after-collision momentum vectors in the diagram below. Determine the magnitude and direction of the system momentum before and after the collision and identify whether or not momentum is conserved. Finally, determine the magnitude and direction of the net external impulse encountered by the system during the collision. (Hint: Velocity and masses are give)
System Momentum Before Collision:
_________________________
System Momentum After Collision:
_________________________
Is momentum conserved?
_________________________
Net External Impulse During Collision:
_________________________
Chapter 3 Solutions
Tutorials in Introductory Physics
Ch. 3.1 - A block is moving to the left on a frictionless,...Ch. 3.1 - In a separate experiment, two hands push...Ch. 3.1 - Shown at right is a side-view diagram of the...Ch. 3.1 - Recall the motion of the block in part B. For each...Ch. 3.1 - Generalize from your answers to pans A—D to...Ch. 3.1 - A glider, glider A, Is pulled by a suing across a...Ch. 3.1 - The diagrams at right show two identical gliders...Ch. 3.1 - A block on a frictionless table is connected to a...Ch. 3.2 - Three students discuss the final momentum and...Ch. 3.2 - Which cart takes longer to travel between the two...
Ch. 3.2 - Use Newton's second law and the definition of...Ch. 3.2 - How does the net work done on cart A(Wnet,A)...Ch. 3.2 - Refer again to the discussion among the three...Ch. 3.2 - Release the ball so that it rolls straight toward...Ch. 3.2 - Release the ball at an angle to the ramp as shown...Ch. 3.2 - How does the direction of the net force on the...Ch. 3.2 - How does the change in kinetic energy of the ball...Ch. 3.2 - For motion 1, draw vector in region II of the...Ch. 3.2 - For motion 2, draw vectors in region II of the...Ch. 3.2 - Consider the change in momentum vectors you...Ch. 3.3 - What differences between gliders M and N could...Ch. 3.3 - For experiment 1,draw and label separate free-body...Ch. 3.3 - In the spaces provided, draw and label vectors to...Ch. 3.3 - A student compares the final speeds of gliders M...Ch. 3.3 - A. Suppose that glider D is free to move and...Ch. 3.3 - A second experiment is performed in which glider D...Ch. 3.3 - Consider the two experiments described above. When...Ch. 3.3 - When the momentum of an object or system of...Ch. 3.3 - Two students the second experiment, in which...Ch. 3.4 - Draw separate free-body diagrams for each block...Ch. 3.4 - Rank the magnitudes of all the horizontal forces...Ch. 3.4 - The velocity vectors for blocks A and B are shown...Ch. 3.4 - Use your knowledge of the velocities and changes...Ch. 3.4 - Draw and label a free-body diagram for system C at...Ch. 3.4 - Write an equation for the momentum of system C in...Ch. 3.4 - Generalize from your results to answer the...Ch. 3.4 - Imagine a single object whose mass is equal to the...Ch. 3.4 - What are the external forces exerted on system C...Ch. 3.4 - The momentum vectors of each block before the...Ch. 3.4 - Draw arrows that represent the direction of the...
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- to solve the question please use the equations below. - a mass M moving with a velocity V1i collides with mass 2M moving with a velocity V2i. After the collision the first mass has a velocity V1f. make a diagram of the initial momemtub vectors and final momentum vectors in a (x,y) plane. determine the final velocity of the second mass in (I J K) notation. determine the final velocity of the second mass in terms of speed and angle. V1i=12 i -5J V2i= -3i +2J V1f= 8i +7Jarrow_forwardYou drop a 15 g ball from a height of 1.5 m and it bounces to a height of 0.80 m. Determine the total impulse on the ball when it hits the floor. hi for the above question, i am able to obtain the answer using method 1 as shown in the picture. But my question is why is the velocity V2 that is going = 0 when computing the velocity V3 that is going upwards using the conservation of energy? in short, why does my method 2 not get the same V3 as my method 1arrow_forwardTwo objects collide head on in an elastic collision. Assume they have equal masses but unequal velocities, such that the one coming in from the right is moving at 6 m/s toward the left, and the one coming in from the left is moving at 2 m/s toward the right. After the collision, what is the velocity of the one that came in from the left? (Use + to the right and - to the left to distinguish direction in your answer.) Answer in m/s.arrow_forward
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