AP Physics 1hardmcq1 pt
A 0.30 kg hockey puck at 10 m/s is caught by a 70 kg goalie at rest on frictionless ice. The goalie's speed afterward is about
A.0.043 m/s
B.3.0 m/s
C.0.30 m/s
D.10 m/s
Explanation
Core Concept
(0.30)(10) = (70.3)v, so v ≈ 0.043 m/s.
Correct Answer
A0.043 m/s
More Unit 5: Momentum practice questions
- hardA 0.10 kg ball dropped from 5.0 m bounces to 3.2 m (g = 10 m/s²). The impulse from the floor is about
- easyA 3.0 kg object at rest explodes into a 1.0 kg piece moving east at 6.0 m/s and a 2.0 kg piece. The 2.0 kg piece moves
- easyA system's total momentum is unchanged during a collision even though individual momenta change. This is because
- hardA 2.0 kg cart at 6.0 m/s collides with a 4.0 kg cart at rest on frictionless track; they stick. The impulse on the 4.0 kg cart is
- mediumA 100 kg cannon fires a 5.0 kg ball at 200 m/s. The cannon's recoil speed is
Practice more AP Physics 1 questions with full explanations
Practice Unit 5: Momentum Questions →