Posted by **Force and Velocity** on Tuesday, October 26, 2010 at 7:25pm.

The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.60 multiplied by 104 kg/s, with an exhaust speed of 2.55 multiplied by 103 m/s.

(a) Calculate the thrust produced by these engines.

answer should be in 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 multiplied by 106 kg. [Note: You must include the force of gravity to solve part (b).]

answer should be m/s2 upward

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