An object or mass `(m)` is located at the origin of a vertical plane. The body is projected at an angle `theta` with velocity `u`. The mean power developed by the gravitational force during the interval of time till it reaches maxmum height

An object of mass (m) is located on the horizontal plane at the origin O. The body acquires horizontal velocity V. The mean power developed by the frictional force during the whole time of motion is ( mu= frictional coefficient )

A particle is projected with a velocity u making an angle theta with the horizontal. The instantaneous power of the gravitational force

A particle is projected with a velocity u making an angle theta with the horizontal. The instantaneous power of the gravitational force

A particle is projeced with a velocity u making an angle theta with the horizontal. The instantaneous power of the gravitational force

A particle of mass m is projected at an angle alpha to the horizontal with an initial velocity u . The work done by gravity during the time it reaches its highest point is

A particle of mass m is projected at an angle alpha to the horizontal with an initial velocity u . The work done by gravity during the time it reaches its highest point is

A small body of mass m is located on a horizontal plane at the point O. The body acquires a horizotal velocity u. Find: (a) The mean power developed by the friction force during the whole time of motion, if the friction coefficient is k. (b) The maximum instantaneous power developed by the friction force, if the friction coefficient varies as k=ax, where alpha is a constant and x is the distance from the point O.

A bode mass m is projected at an angle theta with the horizontal with an initial velocity u, the average power of gravitational force over the whole time of flight is.

A bode mass m is projected at an angle theta with the horizontal with an initial velocity u, the average power of gravitational force over the whole time of flight is.