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CBSE Class 9 Answered

First law and second law and third law motion examples
Asked by nssdhs | 21 Jul, 2019, 19:41: PM
answered-by-expert Expert Answer
First law- car at rest.
Second law- car at rest starts moving once accelerated 
Third law - rocket launch 
 
Answered by Shiwani Sawant | 22 Jul, 2019, 00:00: AM

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CBSE 9 - Physics
A girl of mass 40 kg jumps with a horizontal velocity of 5m/s onto a stationary cart with frictionless wheels.The mass of the cart is 3 kg.What is her velocity as the cart starts moving?Assume that there is no external unbalnaced force working in the horizontal direction.  
Asked by rufinusrath | 28 Oct, 2020, 12:44: PM
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CBSE 9 - Physics
define thrust
Asked by triptitiwari104 | 29 Apr, 2020, 21:07: PM
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CBSE 9 - Physics
What is Newtons third law of motion
Asked by Varun | 24 Jan, 2020, 11:59: AM
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CBSE 9 - Physics
I would like to know whether action and reaction can be interchanged in newtons third law
Asked by deepamajulal | 14 Sep, 2019, 20:43: PM
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CBSE 9 - Physics
 according to newtons third law to every action there is equal and opposite reaction but I have a doubt whether action should happen first or the reaction
Asked by deepamajulal | 13 Sep, 2019, 22:07: PM
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CBSE 9 - Physics
Hitting the ball to the floor is an example for Newton's third law?
Asked by prasku2006 | 12 Sep, 2019, 23:12: PM
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CBSE 9 - Physics
First law and second law and third law motion examples
Asked by nssdhs | 21 Jul, 2019, 19:41: PM
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CBSE 9 - Physics
3 rd law motion formula  
Asked by shinulenchy | 30 Jan, 2019, 19:39: PM
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CBSE 9 - Physics
If action and reaction forces are equal and opposite, then why do they result in change in momentum of the body?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 9 - Physics
Why is it difficult for a fireman to hold a hose pipe, which ejects a large amount of water at a high velocity?
Asked by Topperlearning User | 08 Sep, 2016, 16:28: PM
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