A body of mass `m` is thrown at an angle `alpha` to the horizontal with the initial velocity `v_0`. Find the mean power developed by gravity over the wholetime of motion of the body, and the instantaneous power of gravity as a function of time.

A body of mass m = 1 kg is thrown at an angle theta = 45^(@) to the horizontal with the initial velocity u = 10 m//s . Find the mean power delivered by gravity over the whole time of motion of the body.

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.

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 body of mass m is thrown at an angle alpha to the horizontal with the initial velocity v_0 Find (a) instantaneous power of gravity as a function of time and (b) mean power developed by gravity in time (i) t=0 to T , (ii) t=0 to (T)/(2) , (iii) t=(T)/(2) to t=T , where T is the time of flight.

A body of mass m is thrown upwards at an angle theta with the horizontal with velocity v. While rising up the velocity of the mass after t second will be

A body of mass m is thrown upwards at an angle theta with the horizontal with velocity v. While rising up the velocity of the mass after t second will be

A small body of mass m is located on a horizontal plane at the point O. The body acquires a horizontal velocity v_0 . Find the mean power developed by the friction force during the whole time of motion, if the frictional coefficient mu=0.27 , m=1.0kg and v_0=1.5ms^-1 .