A bullet of mass, m= 8x10³ kg moving horizontally with a speed vo strikes a wood block of mass 0.4 kg initially at rest. Just after the collision, the bullet passes through the block and goes out g the initial direction with a speed v = 0.20x10³ m/s, and the wood block moves with V = 5 m/s, he figure. %3D %3D

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Chapter1: Units, Trigonometry. And Vectors
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2 - A bullet of mass, m = 8x10-³ kg moving horizontally with a speed vo strikes a wood block of mass
M = 0.4 kg initially at rest. Just after the collision, the bullet passes through the block and goes out
along the initial direction with a speed v = 0.20x10³ m/s, and the wood block moves with V = 5 m/s,
see the figure.
(a) Find the velocity of the bullet (vo) before the collision. What is the impulse induced on the block
during this collision?
(b) After the collision the wood block moves, d
= 2 m on the horizontal table before it stops,
find the friction force acting on the wood
block.
m
vo
m
Transcribed Image Text:2 - A bullet of mass, m = 8x10-³ kg moving horizontally with a speed vo strikes a wood block of mass M = 0.4 kg initially at rest. Just after the collision, the bullet passes through the block and goes out along the initial direction with a speed v = 0.20x10³ m/s, and the wood block moves with V = 5 m/s, see the figure. (a) Find the velocity of the bullet (vo) before the collision. What is the impulse induced on the block during this collision? (b) After the collision the wood block moves, d = 2 m on the horizontal table before it stops, find the friction force acting on the wood block. m vo m
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