Physics, 06.04.2021 01:30 brinks7994
15. A 0.050 kg bullet is fired with an initial velocity of 200 m/s at a 5 kg bail of hay at
Test on a rough surface. The bullet penetrates and embeds itself in the hay and the bullet
and hay move off at some speed. The coefficient of friction between the hay and the
surface is 0.4.
a) What is the combined speed of the bullet and hay immediately after impact?
b) How far does the hay slide before coming to rest?
Answers: 3
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50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.
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The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
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15. A 0.050 kg bullet is fired with an initial velocity of 200 m/s at a 5 kg bail of hay at
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