An indestructible bullet 2.00 cm long is fired straight through a that is 10.0 cm thick. The bullet strikes the board with a speed of 470 m/s and emerges with aspeed of 265 m/s. (To simplify, assume that the bullet accelerates only while the front tip is in contact with the wood.) (a) What is the average acceleration of the bullet through the board? m/s2 (b) What is the total time that the bullet is in contact with the board? (Enter the total time for the bullet to completely emerge from the board.) S

An indestructible bullet 2.00 cm long is fired straight through a that is 10.0 cm thick. The bullet strikes the board with a speed of 470 m/s and emerges with aspeed of 265 m/s. (To simplify, assume that the bullet accelerates only while the front tip is in contact with the wood.) (a) What is the average acceleration of the bullet through the board? m/s2 (b) What is the total time that the bullet is in contact with the board? (Enter the total time for the bullet to completely emerge from the board.) S

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

An indestructible bullet 2.00 cm long is fired straight through a board
that is 10.0 cm thick. The bullet strikes the board with a speed of 470
m/s and emerges with aspeed of 265 m/s. (To simplify, assume that
the bullet accelerates only while the front tip is in contact with the
wood.)
(a) What is the average acceleration of the bullet through the board?
m/s2
(b) What is the total time that the bullet is in contact with the board?
(Enter the total time for the bullet to completely emerge from the
board.)

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