A rocket of initial mass 8000kg ejects gases at a constant rate of 16kg/s with constant relative speed of 10km/s. The initial thrust on the rocket is a)`11.6times10^(5)N` b)`1.6times10^(5)N` c) `3.2times10^(5)N` d)`3.2times10^(5)N`

A rocket of initial mass 6000kg ejects mass at a constant rate of 16kg//s with constant relative speed of 11m//s What is the acceleration of the rocket one mnute after blast ?

A rocket of initial mass 6000kg ejects mass at constant rate of 200 kg/sec. with constant relative speed of 800 m/sec. The acceleration of the rocket after 5 sec is (neglect gravity)

A rocket of mass 5700 kg ejects mass at a constant rate of 15 kg/s withe constant speed of 12 km/s. The acceleration of the rocket 1 minute after the blast is (g=10m//s^(2))

A rocket with a lift-off mass 3.5xx10^4 kg is blasted upwards with an initial acceleration of 10m//s^2 . Then the initial thrust of the blast is

A rocket with a lift-off mass 3.5xx10^4 kg is blasted upwards with an initial acceleration of 10m//s^2 . Then the initial thrust of the blast is

A rocket with a lift-off mass 3.5xx10^4 kg is blasted upwards with an initial acceleration of 10m//s^2 . Then the initial thrust of the blast is

A rocket with a lift-off mass 2xx10^(4)kg is blasted upwards with an initial acceleration of 5ms^(-2) . The initial thrust of the blast is ("Take g"=10ms^(-2))

A rocket of total mass 1000kg initially is launched from ground. The gases are ejected at the rate 20kg/s with velocity 1000 m/s relative to rocket vertically downwards. The initial acceleration of the rocket is a (in m//s^(2) ). Find a/g . (Take g=10 m//s^(2) )

A body of mass 10 kg is being acted upon by a force 3t^2 and an opposing constant force of 32 N. The initial speed is 10 ms^-1. The velocity of body after 5 s is

What time does it take for reactants to reduce to 3/4 of initial concentration if the rate constant is 7.5 x 10^-3 S^-1 ?