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1. An object having mass M moves with a speed v. If the mass of the...

1. An object having mass M moves with a speed v. If the mass of the object is tripled and the speed is cut in half the magnitude of its new linear momentum is?

a)Mv

b)6Mv

c)2Mv/3

d)Mv/2

e)3Mv/2

2. An object has in initial kinetic energy of KE. If the mass of the object is tripled and the speed is cut in half, it new kinetic energy is?

a)KE

b)3KE/4

c)12KE

d)KE/4

e)3KE/8

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