A body is projected vertically upwards from the surface of the earth with a velocity equal to \frac{3}{4} escape velocity of earth. If R is the radius of earth, what is the maximum height attained by An object is thr...
A body falls from a height of 200 m if gravitational ceases. After 2 seconds, find the time required to reach the ground. On the moon an object dropped from 3.3metres takes 2 seconds to reach the ground. What is the acceleration of free fall?. ...
A ball of mass 0.2kg is dropped from a height of 20m on impact on the ground it lose 30j of energy. Calculate the height which it reaches on the ground and rebound A Body with a mass of 150kg is located at a height of 45 m. If all...
If a body falls freely under the influence of Earth's gravitational field, what generalization can you make concerning the sum of its potential and kinetic energies at any given instant? (Assume there is no air resistance.) How does a parachut...