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CBSE Class 9 Answered

what is linear momentum ?
Asked by frusbJusyktsnis | 17 Sep, 2021, 12:03: AM
answered-by-expert Expert Answer
Product of mass and velocity is linear momentum which is conserved between non-reacting objects.
Answered by Thiyagarajan K | 17 Sep, 2021, 10:17: AM

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CBSE 9 - Physics
A boy of mass 45 kg running 6 m/s jumps onto a 30 kg trolley moving in the same direction at 1.5 m/s. Their common velocity will be: A. 4.0 m/s B. 4.2 m/s C. 6.5 m/s D. 8.3 m/  
Asked by nishitatrambadia | 21 Oct, 2021, 09:38: AM
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CBSE 9 - Physics
what is linear momentum ?
Asked by frusbJusyktsnis | 17 Sep, 2021, 12:03: AM
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CBSE 9 - Physics
a bullet of mass 20 grams is horizontally fired with a volicity of 150 mls from pistal of mass 2 kg what is the recoil volicity of pistal
Asked by gaminggaming64738 | 28 Jun, 2021, 10:30: AM
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CBSE 9 - Physics
Two hockey players of opposite teams, while trying to hit a hockey ball on the ground collide and immediately become entangled. One has a mass of 60 kg and was moving with a velocity 5.0 m s–1 while the other has a mass of 55 kg and was moving faster with a velocity 6.0 m s–1 towards the first player. In which direction and with what velocity will they move after they become entangled? Assume that the frictional force acting between the feet of the two players and ground is negligible.
Asked by sasikumarsarala2020 | 25 Jun, 2021, 04:37: PM
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CBSE 9 - Physics
vehicle stops on applying brakes does this phenomena violate the principle of conservation of momentum momentum momentum
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Asked by neeteshvarshney6 | 20 Jul, 2020, 04:20: PM
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CBSE 9 - Physics
please answer fast
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Asked by tapandash1974 | 16 Jul, 2020, 05:39: PM
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CBSE 9 - Physics
question number 33
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Asked by neha14072006 | 21 Jun, 2020, 08:15: PM
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CBSE 9 - Physics
A bullet of mass 3 kg is fired with a velocity of 150 metre per second find its momentum  
Asked by pnegi9416 | 29 Apr, 2020, 10:00: AM
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CBSE 9 - Physics
A ball moving at a constant speed 10m/s, hits normally on a wall (mass of ball is 50g) and rebounds with same speed. The change in momentum is
Asked by mohitdhoni706 | 03 Apr, 2020, 01:20: PM
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CBSE 9 - Physics
The mass of a cannon is 500 kg.  From this cannon a bullet of 10 kg mass was thrown at a speed of 20 m / s.  How long does a cannon retreat if the resistance of the land is one tenth the weight of the cannon?
Asked by asishsengupta51 | 20 Feb, 2020, 11:24: AM
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