Asubmarine travels 25 km/h north for 3.2 hours. what is its displacement?

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?

Select the three ways that the parallel-plate capacitor differs from a car battery.

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration