Read the lab procedure for a controlled experiment that looks at the effect of heat on the circumference of bicycle tires. Which step should be next in this procedure?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory