Q. A 250 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 32 m/s2 for 34 s, then runs out of fuel. Ignore any air resistance effects.
What is the rocket's maximum altitude?
Q. A 1200 kg car moving from initial velocity of 16 m/s. The coefficient friction is .6. what is the acceleration, sum forces of y and x direction?