Current Attempt in Progress A 5.61-g bullet is moving horizontally with a velocity of +354 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The bullet passes completely through the first block (an inelastic collision) and embeds itself in the second one, as indicated in part b. Note that both blocks are moving after the collision with the bullet. The mass of the first block is 1195 g, and its velocity is +0.709 m/s after the bullet passes through it. The mass of the second block is 1639 g. (a) What is the velocity of the second block after the bullet imbeds itself? (b) Find the ratio of the total kinetic energy after the collision to that before the collision. +354m/s Block 1 (a) Before collision Mblock 1 = 1195g +0.709m/s GO Tutorial (a) Vblock2= Number (b) KEafter/KEbefore = Number Save for Later eTextbook and Media (b) After collision Mblock 2=1639 Mbullet -5.61g i Block 2 i block 2 Units Units

Current Attempt in Progress A 5.61-g bullet is moving horizontally with a velocity of +354 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The bullet passes completely through the first block (an inelastic collision) and embeds itself in the second one, as indicated in part b. Note that both blocks are moving after the collision with the bullet. The mass of the first block is 1195 g, and its velocity is +0.709 m/s after the bullet passes through it. The mass of the second block is 1639 g. (a) What is the velocity of the second block after the bullet imbeds itself? (b) Find the ratio of the total kinetic energy after the collision to that before the collision. +354m/s Block 1 (a) Before collision Mblock 1 = 1195g +0.709m/s GO Tutorial (a) Vblock2= Number (b) KEafter/KEbefore = Number Save for Later eTextbook and Media (b) After collision Mblock 2=1639 Mbullet -5.61g i Block 2 i block 2 Units Units

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter9: Linear Momentum And Collisions

Section: Chapter Questions

Problem 37P: The figure below shows a bullet of mass 200 g traveling horizontally towards the east with speed 400...

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Concept explainers

Rigid Body

A rigid body is an object which does not change its shape or undergo any significant deformation due to an external force or movement. Mathematically speaking, the distance between any two points inside the body doesn't change in any situation.

Rigid Body Dynamics

Rigid bodies are defined as inelastic shapes with negligible deformation, giving them an unchanging center of mass. It is also generally assumed that the mass of a rigid body is uniformly distributed. This property of rigid bodies comes in handy when we deal with concepts like momentum, angular momentum, force and torque. The study of these properties – viz., force, torque, momentum, and angular momentum – of a rigid body, is collectively known as rigid body dynamics (RBD).

Question

Current Attempt in Progress
A 5.61-g bullet is moving horizontally with a velocity of +354 m/s, where the sign + indicates that it is moving
to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal
frictionless surface. Air resistance is negligible. The bullet passes completely through the first block (an
inelastic collision) and embeds itself in the second one, as indicated in part b. Note that both blocks are
moving after the collision with the bullet. The mass of the first block is 1195 g, and its velocity is +0.709 m/s
after the bullet passes through it. The mass of the second block is 1639 g. (a) What is the velocity of the
second block after the bullet imbeds itself? (b) Find the ratio of the total kinetic energy after the collision to
that before the collision.
+354m/s
Block 1
(a) Before collision
mblock 1=1195g
+0.709m/s
GO Tutorial
(a) Vblock2= Number
(b) KE after/KEbefore = Number
Save for Later
eTextbook and Media
(b) After collision
mblock 2=1639
Mbullet -5.61g
i
Block 2
i
block 2
Units
Units

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