Physics

Babbles

3 October, 13:00

A 0.75 kg model car is moving west at a speed of 9.0 m/s when it collides head-on with a 2.00 kg model truck that is traveling east at a speed of 10.0 m/s. After the collision, the 0.75 kg model car is now moving east at 11 m/s. What is the speed and direction of the model truck after the collision?

a.

9.3 m/s east

c.

2.5 m/s east

b.

9.3 m/s west

d.

2.5 m/s west