| Question | Answer |
| Explain the difference between velocity and acceleration | speed, change in speed
|
Sonny drives from Alameda to Las Vegas, covering 750 miles in 15 hours. What is his average speed? | 50mph
| Mary's sports car accelerates from 20 km/hr to 100 km/hr in 5.0 seconds. What is the average acceleration? | 16mph
| Explain and illustrate what is meant by the components of a vector. | Answers will vary
| ______ play or “horse around” while doing a lab. | Never
| Two students pull on a rope against each other. Student one pulls with 300 N; student two pulls with 800 N. What is the net force? | 500N toward student two
| Rex, the German Shepard, runs at 8 m/s. His mass is 25 kg. What is his momentum? | 200kg m/s
| Rama, another Shepard, mass 20 kg, runs directly at Rex. Her speed is 10 m/s. They collide inelastically(without getting hurt). Describe what happens: | Answers will vary
| A rock drops from a high tower for exactly four seconds and hits the ground. Neglect air resistance. Assume g = 10 m/s/s. what is the speed of the rock when it hits the ground? | I need to calculate
| A rock drops from a high tower for exactly four seconds and hits the ground. Neglect air resistance. Assume g = 10 m/s/s. What is the height of the tower? | I need to calculate
| Impulse equals change of ________________. | momentum
| A speeding bullet has a mass of 10 grams. It travels at 500 m/s. What is its kinetic energy? | 1,250,000J
| At a height of 100 meters above the ground, what would be the potential energy of a 2.5 kg brick? | 2,452J
| Explain the Law of Conservation of Energy: | Answers will vary
| What does Newton's Law of Inertia have to say about masses at rest or moving with constant velocity? | Answers will vary
| Two large masses are at a certain distance from each other. What will happen to the gravitational force of attraction between them if the distance is doubled? | weakens
| Sketch graphs of velocity, acceleration, and position versus time for a falling ball. Be sure to label the axes: | Answers will vary
| Explain Newton's Third Law of motion in your own words and give an example: | Answers will vary
| Can an object's speed be increased by applying a force to it perpendicular to its direction of motion? Explain. | Answers will vary
| _________ begin a lab until you understand what it is you are to do. ________ read instructions thoroughly. | Never,Always |
