The two check-marks in the picture are in the correct places.
Explanation:
Pressure = Height * Density * acc. due to gravity
P = 2 * 680 * 9.8 = 13, 328 Pa
Answer:
At the top of the track right before they are about to go down
Explanation:
Right before he’s about to go down he has potential energy because he is not moving downwards... I think.
Answer:
Combinations of SI units that are used to measure quantities such as speed, volume, and pressure are called derived units.