an object whose mass is 100 g starts from rest and moves with constant acceleration of 20 centimeter per second square .at the end of 8 sec its momentum in 9 cm\s is
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mass = 100gram = 0.1kg
initial velocity (u) = 0
acceleration (a) =20cm per second square
=0.2 metre per second square.Time=8 second
Final velocity =?
According to the equation v=u+at
v=0+0.2 * 8
=1.6m/s
Momentum = mass * velocity
=0.1 * 1.6 =0.16 kg m/second
=16000 gram cm/second
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initial velocity (u) = 0
acceleration (a) =20cm per second square
=0.2 metre per second square.Time=8 second
Final velocity =?
According to the equation v=u+at
v=0+0.2 * 8
=1.6m/s
Momentum = mass * velocity
=0.1 * 1.6 =0.16 kg m/second
=16000 gram cm/second
Please follow me so that you can get your answer quickly.
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