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The MCQ: A bullet of mass 30 g is fired from a gun with a muzzle velocity 90ms−1. If its mass is 4 kg then the recoil of the gun will be; "Physics Study Guide" App Download (Free) with answers: − 0.34 ms−1; 0.54 ms−1; − 0.54 ms−1; 0.34 ms−1; to learn online schools courses. Solve Dynamics Quiz Questions, download Apple eBook (Free Sample) for distance learning.
Physics Study Guide MCQs: Questions and Answers PDF Download
A body of mass 10 kg is moving with the velocity of 15 ms−1. The force required to stop it in 3 seconds should be
- 50 Ns
- 100 Ns
- 75 Ns
- 170 Ns
A bullet of mass 30 g is fired from a gun with a muzzle velocity 90ms−1. If its mass is 4 kg then the recoil of the gun will be
- − 0.34 ms−1
- 0.54 ms−1
- − 0.54 ms−1
- 0.34 ms−1
SI unit of momentum is
- newton second (Ns)
- θ
- μ
- λ
A group of interacting bodies on which no external force is acting is known as
- sexasigmal system
- isolated system
- SGS system
- none of above
The momentum of an isolated system of two or more than two interacting bodies remains
- variable
- zero
- negative
- constant
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Physics Study Guide MCQs Book Questions
- A stone is dropped from top of a building which is 180 meters high. If stone hits ground after 6 seconds, its final velocity will be
- Amount of heat required to raise temperature of 1 kg mass of that substance through 1K is called its
- Energy coming from sun for last billion years is result of a
- Force that produces an acceleration of 1 ms−2 in a body of mass of 1 kg is called
- Thermal conductivity of plastic foam is