1. With Friction and Air Drag turned off, describe the effect
that an applied force has upon the velocity? Also, draw the
force diagram at the right. Label the forces using Fapp for
Applied force, Fnorm for Normal force from the ground, and
Fgray for the Weight of the sled.

What if? if the temperature near the cliff suddenly falls to 0°c, reducing the speed of sound to 331 m/s, what would the initial speed of the rock have to be (in m/s) for the soccer player to hear the sound of the splash 2.90 s after kicking the rock?

What are the theoretical properties of a gas at a temperature of 0 kelvin?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.