A bike has a momentum of 150 kg-m/s, 20° north of the x-axis. What is its velocity if its mass is 30 kg?
A. 5 m/s, 20° north of the x-axis
B. 5 m/s, 20° south of the x-axis
C. 0.2 m/s, 160° north of the x-axis
D. 0.2 m/s, 160° south of the x-axis

Question

A bike has a momentum of 150 kg-m/s, 20° north of the x-axis. What is its velocity if its mass is 30 kg?
	A.	5 m/s, 20° north of the x-axis
	B.	5 m/s, 20° south of the x-axis
	C.	0.2 m/s, 160° north of the x-axis
	D.	0.2 m/s, 160° south of the x-axis

jiteshmeghwal9 · Answer

mv=p = momentum

given m=30 kg
p=150 kg m/s

find v

remember that the direction of velocity is along the direction of momentum