in rotating body 32 Derive an expression for escape speed of

Last updated: 6/21/2023

in rotating body 32 Derive an expression for escape speed of a body torque and angular momentum of a of a particle VI Answer any THREE of the following questions PART E 33 A car moving along a straight highway with a speed of 126 kmph is brought to rest within a distance of 200 m Calculate the retardation of the car assumed to be uniform and how long does it take for the car to come to rest 34 A football player kicks a ball at an angle of 30 to the horizontal with an initial velocity of 20 ms 1 Calculate i maximum height reached ii horizontal range of the football Given g 9 8 ms 21 35 Water is pumped from a mine 40 m deep at the rate of 600 litres per minute Calculate the power required 36 A particle is moving at a speed of 12ms 1 on a circle of radius 2m If the speed of the particle is increased to 15 ms 1 in two second What is the angular acceleration produced 37 Calculate the orbital velocity and period of revolution of an artificial satellite of earth moving at an altitude of 200 km Radius of the earth 6400 km mass of earth 6 x 1024 kg G 6 7 x 10 11 Nm kg 2 3 x 5 15