click below
click below
Normal Size Small Size show me how
Motion review
Questions I got wrong on the quizzes
| Question | Answer |
|---|---|
| What is the velocity of a crow flying East 20 mph. from the perspective of someone standing still on the ground? | 20 mph East |
| What is the change of position of an object? | Motion |
| If Yash rides his motorcycle 65 miles per hour, what is his relative velocity from the perspective of someone watching him (on Facetime) and talking to him on the phone? | 0 mph East |
| If a train is moving 20 m/s East and someone is walking on the train 1 m/s East, what is the relative velocity of the walker from the observer outside the train? | 21 m/s East |
| What is the relative velocity of the Jockey from the Cyclist's perspective? | 12 m/s West |
| What is the Runner’s motion compared to the Jockey? | 22 m/s East |
| Normal Force | Any force perpendicular to the object that contacts it. |
| Applied Force | Any push or pull on an object. |