A body is projected with kinetic energy k at angle `phi` with the vertical. Neglecting friction, its potential energy at the highest point will be

A projectile is projected with a kinetic energy K . If it has the maximum possible horizontal range, then its kinetic energy at the highest point will be

A particle is projected from the ground with a kinetic energy E at an angle of 60^(@) with the horizontal. Its kinetic energy at the highest point of its motion will be

A particle is projected from the ground with a kinetic energy E at an angle of 60° with the horizontal. Its kinetic energy at the highest point of its motion will be

A body is projected with kinetic energy E such that its range is maximum. Its potential energy at the maximum height is

A body is projected with kinetic energy E such that its range is maximum. Its potential energy at the maximum height is

A body is projected with a speed u m/s at an angle beta with the horizontal. The kinetic energy at the highest point is 3/4th of the initial kinetic energy. The value of beta is :

A body is projected horizontally with a velocity of u ms^(-1) at an angle theta with the horizontal. The kinetic energy at the highest point is (3)/(4)th of the kinetic energy. The value of theta is :