Identifying variables in a hypothesis
identify the variables in this hypothesis.
if the pressure of a gas is increased, then the volume will decrease because the particles of the gas will be forced
more closely together.
the independent variable is pressure
the dependent variable is
done
intro

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?

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

Work = force × a. work b. energy c. distance d. momentum