Question #ee704

2 Answers
May 18, 2017

4m/s

Explanation:

you have some (kg*m)/s. To get m/s you have to divide by kg:
((kg*m)/s)/(kg)=(m*kg)/(s*kg)=m/s
For your situation:
(180(kg*m)/s)/(45kg)= 4m/s

May 18, 2017

4ms^-1

Explanation:

Momentum (written as rho) is defined as the product of the object's mass and it's velocity.

rho = mass x velocity
180 = 45 v
v = 4 ms^-1