) What is the momentum of a 2000kg car moving at 80 km/h? a) 4.44´105kg·m/s b) 1.60´105kg·m/s c) 4.44´105 kg·m/s d) 4.44´105 kg·m/s 2)A ball of mass 150g is moving at 3.0 m/s strikes a wall perpendicularly and rebounds elastically with the same speed. What is the impulse given to the wall? a) 0.45 N·s b) 0.90 N·s c) 3.0 N·s d) 1.5 N·s 3) A 1.50 kg rifle fires a 5.00g bullet with a speed of 450 m/s. Determine its recoil speed if it’s loosely held. a) 1.50 m/s b) 2.25 m/s c) 6.75 m/s d) 7.50 m/s
) What is the momentum of a 2000kg car moving at 80 km/h? a) 4.44´105kg·m/s b) 1.60´105kg·m/s c) 4.44´105 kg·m/s d) 4.44´105 kg·m/s 2)A ball of mass 150g is moving at 3.0 m/s strikes a wall perpendicularly and rebounds elastically with the same speed. What is the impulse given to the wall? a) 0.45 N·s b) 0.90 N·s c) 3.0 N·s d) 1.5 N·s 3) A 1.50 kg rifle fires a 5.00g bullet with a speed of 450 m/s. Determine its recoil speed if it’s loosely held. a) 1.50 m/s b) 2.25 m/s c) 6.75 m/s d) 7.50 m/s
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1) What is the momentum of a 2000kg car moving at 80 km/h?
a) 4.44´105kg·m/s b) 1.60´105kg·m/s c) 4.44´105 kg·m/s d) 4.44´105 kg·m/s
2)A ball of mass 150g is moving at 3.0 m/s strikes a wall perpendicularly and rebounds elastically with the same speed. What is the impulse given to the wall?
- a) 0.45 N·s b) 0.90 N·s c) 3.0 N·s d) 1.5 N·s
3) A 1.50 kg rifle fires a 5.00g bullet with a speed of 450 m/s. Determine its recoil speed if it’s loosely held.
- a) 1.50 m/s b) 2.25 m/s c) 6.75 m/s d) 7.50 m/s
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