In an experiment to measure the speed of a bullet, the bullet is fired into a piece of plasticine suspended from a rigid support by a light thread. 24 cm bullet speed V plasticine The speed of the bullet on impact with the plasticine is V. As a result of the impact, the bullet embeds itself in the plasticine and the plasticine is displaced vertically through a height of 24 cm. The mass of the bullet is 5.2x10 kg and the mass of the plasticine is 0.38 kg. i. Ignoring the mass of the bullet, calculate the speed of the plasticine immediately after the impact. [2] ii. Deduce that the speed V with which the bullet strikes the plasticine is about 160 ms. [2]

In an experiment to measure the speed of a bullet, the bullet is fired into a piece of plasticine suspended from a rigid support by a light thread. 24 cm bullet speed V plasticine The speed of the bullet on impact with the plasticine is V. As a result of the impact, the bullet embeds itself in the plasticine and the plasticine is displaced vertically through a height of 24 cm. The mass of the bullet is 5.2x10 kg and the mass of the plasticine is 0.38 kg. i. Ignoring the mass of the bullet, calculate the speed of the plasticine immediately after the impact. [2] ii. Deduce that the speed V with which the bullet strikes the plasticine is about 160 ms. [2]

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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In an experiment to measure the speed of a bullet, the bullet is fired into a piece of plasticine suspended
from a rigid support by a light thread.
24 cm
bullet
speed V
plasticine
The speed of the bullet on impact with the plasticine is V. As a result of the impact, the bullet embeds
itself in the plasticine and the plasticine is displaced vertically through a height of 24 cm. The mass of the
bullet is 5.2x10 kg and the mass of the plasticine is 0.38 kg.
i. Ignoring the mass of the bullet, calculate the speed of the plasticine immediately after the
impact. [2]
ii. Deduce that the speed V with which the bullet strikes the plasticine is about 160 m s. [2]

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