একটি গাড়ি 500 মিটার ব্যাসার্ধের একটি বৃত্তাকার পথে `30m//sec' গতিতে চলছে। এর গতি

A car is moving with speed 30m//sec on a circular path of radius 500 m . Its speed is increasing at the rate of , 2m//sec^(2) , What is the acceleration of the car

A motor boat is travelling with a speed of 3.0m / sec . If the force on it due to water flow is 500 N , the power of the boat is

A ball of mass 500 gram strikes a wall with a velocity of 80 m/s and rebounds with the same velocity. If the tme of contact is 1/30 sec, then the force exerted by the ball on the wall is

A train,150m long,takes 30 seconds to cross I' bridge 500m long.How much time will the train,take to cross a platform 370m long? 18backslash sec b.24backslash sec c.30backslash sec d.36backslash sec