Question Part Points Submissions Used A ball of mass 0.145 kg is dropped from re

Question

Question Part Points Submissions Used A ball of mass 0.145 kg is dropped from rest from a height of 2.650 m. (a) What is its momentum at the start and (b) what is its momentum after falling 2.650 meters?
(a) kg/m s
(b) kg/m s Question Part Points Submissions Used A ball of mass 0.145 kg is dropped from rest from a height of 2.650 m. (a) What is its momentum at the start and (b) what is its momentum after falling 2.650 meters?
(a) kg/m s
(b) kg/m s Question Part Points Submissions Used Question Part Points Submissions Used Question Part Points Submissions Used Question Part Points Submissions Used Question Part Points Submissions Used A ball of mass 0.145 kg is dropped from rest from a height of 2.650 m. (a) What is its momentum at the start and (b) what is its momentum after falling 2.650 meters?
(a) kg/m s
(b) kg/m s A ball of mass 0.145 kg is dropped from rest from a height of 2.650 m. (a) What is its momentum at the start and (b) what is its momentum after falling 2.650 meters?
(a) kg/m s
(b) kg/m s Question Part Points Submissions Used

Explanation / Answer

a)
momentum at top = m(0) = 0 kg-m/s

b)
monemtum at 2.650 m

P = mv = m*sqrt(2gh) = 0.145*sqrt(2*9.81*2.65) = 1.045 kg-m/s

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