3. Explain in your own words the difference between average speed and average velocity. 4. If we drop a sheet of paper and a bowling ball from the same height at the same time in normal lab
conditions, we will observe that the bowling ball hits the ground first. Why does this happen?

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

When you turn on a battery-operated device, an electrical circuit is

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.