The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.85 104 kg/s, with an exhaust speed of 3.30 103 m/s.
(a) Calculate the thrust produced by this engine.
N
(b) Find the acceleration of the vehicle just as it lifted off the launch pad on the Earth, if the vehicle's initial mass was 3.00 106 kg. [Note: You must include the force of gravity to solve part (b).]
m/s2 upward