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23 Nov 2019

A 15.0-g bullet traveling 213 m/s in a vertical direction buries itself in a 2.40kg block of wood at rest directly above it in a completely inelastic collision. as a result, the bullet/block combination moves vertically upward. (a) determine the velocity of the bullet/block combination after impact. (b) determine the maximum height reached by the bullet/block combination. (c) Is kinetic energy conserved in this collision? why or why not?

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Bunny Greenfelder
Bunny GreenfelderLv2
2 Feb 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A ballistic pendulum is used to measure the speed of bullets. It comprises a heavy block of wood of mass M suspended by two long cords. A bullet of mass m is fired into the block horizontally. The block, with the bullet embedded in it, swings upward (Fig. P10.70). The center of mass of the combination rises through a vertical distance li before coming to rest momentarily. In a particular experiment, a bullet of mass 40.0 g is fired into a wooden block of mass 10.0 kg. The block-bullet combination is observed to rise to a maximum height of 20.0 cm above the block's initial height.

a. What is the initial speed of the bullet?

b. What is the fraction of initial kinetic energy lost after the bullet is embedded in the block? 

 

A ballistic pendulum is used to measure the speed of bullets. It comprises a heavy block of wood of mass M suspended by two long cords. A bullet of mass m is fired into the block horizontally. The block, with the bullet embedded in it, swings upward. The center of mass of the combination rises through a vertical distance h before coming to rest momentarily. In a particular experiment, a bullet of mass 40.0 g is fired into a wooden block of mass 10.0 kg. The block–bullet combination is observed to rise to a maximum height of 20.0 cm above the block’s initial height. a. What is the initial speed of the bullet? b. What is the fraction of initial kinetic energy lost after the bullet is embedded in the block?

Chapter 10, Problem 70PQ, A ballistic pendulum is used to measure the speed of bullets. It comprises a heavy block of wood of

A ballistic pendulum is used to measure the speed of bullets. It comprises a heavy block of wood of mass M suspended by two long cords. A bullet of mass m is fired into the block horizontally. The block, with the bullet embedded in it, swings upward (Fig. P10.70). The centre of mass of the combination rises through a vertical distance h before coming to rest momentarily. In a particular experiment, a bullet of mass 40.0 g is fired into a wooden block of mass 10.0 kg. The block–bullet combination is observed to rise to a maximum height of 20.0 cm above the block’s initial height. a. What is the initial speed of the bullet? b. What is the fraction of initial kinetic energy lost after the bullet is embedded in the block?

Chapter 10, Problem 70PQ, A ballistic pendulum is used to measure the speed of bullets. It comprises a heavy block of wood of

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