3. A car is moving 15 m/s east when it begins acceleration towards the East of 3 m/s2. a. How long will it take this car to reach a velocity of 30 m/s east?
b. How far will the car travel during this time?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

What kind of simple machine is a catapult?