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Object of mass 50 kg and …

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Object of mass 50 kg and accelerated uniformly from a velocity of 20 metre per second to 25 metre per second in 10 second calculate the u and v monemtun of the object also find the magnitude of the force

Posted by Sonu Kumar 5 years, 11 months ago

CBSE > Class 09 > Science

1 answers

⚓Aryan Prakash⚓ 5 years, 11 months ago

We have given, Mass = 50 kg Initial velocity (u)= 20 m/s Final velocity (v)= 25 m/s T= 10 sec a=? V = u + at 25 = 20 + 10a 10a =5 So, a = 0.5 m/s square. Hence, force = m×a = 50×5/10 =25 N Avg velocity = u+v /2 = 20+25/2 = 45/2 m/s Hence again, momentum , = m × velocity = 50 × 45/2 = 25 × 45 =105 kgm/s

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