A bullet of mass 0.010 kg and speed of 200 m/s is brought to rest in a wooden block after penetrating a distance of 0.10 m. This process takes 0.02 second. The magnitude of the impulse delivered to the bullet by the block during this time is

A. 0.98 N.
B. 2.0 Ns.
C. 1.0 Ns.
D. zero.
E. 4.0 Ns.


Answer: B

Physics & Space Science

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A. 0. B. 0.600mn(0.800c) C. 0.800mn(0.800c). D. 1.00mn(0.800c). E. 1.67mn(0.800c).

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Indicate whether the statement is true or false

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A freely falling object has a constant acceleration of 9.8 m/s2 . This means that

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In vacuum, the components of an EM wave are and 0. What ?

a.
b.
c.
d.
e. More information is needed.

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