Which of the following forces is the best approximation of the weight of an adult?
7 N
7000 N
70 N
700 N

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?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

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