A race car and driver with a total mass of 1,504 kg is moving with a speed of 170 km/h on a circular section of a race track that has a radius of 631 meters. What is the centripetal force acting on the race car's mass?
(Hint: 1 hr = 3600 seconds & 1 km = 1000 m)

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

Who was the first scientist to measure speed as distance over time?