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multiple choice PHY

phy. review multipple choice

QuestionAnswer
1. an objects weight is directly related to its? A. mass
2. the larger an objects mass, the more? a.inertia
3. an object with a constant velocity has an acceleration of? a. 0m/s2
4. what is the formula for average speed? a. v=d/t
5. what is the formula for acceleration? a. a=vf-vi/t=change/t
6. to know weather the position of an object has changed you need an? a. reference point
7. if the acceleration of an object is in the same direction of its velocity, the acceleration is? a. positive
8. newton's 1st lae of motion is also known as? a. law of inertia
9. the distance-time graph, the __________ variable is plotted on the x-axis, a. independent
10. a person in a head-on car collision, continues to move forward at the same speed of the car because of? a. friction
11. what is the average speed of a skier who travels 1,200 meters downhill in 60.o seconds? a. 20m/s
12. Gertrude drives from westbord to felixberg, a distance of 325 kilometers, in 5.0 hours. what is her average speed? a. 65k/h
13. a bullet fired from a rifle travels 4,000 meters in 5.0 seconds. what is its average speed? a. 800m/s
14. an election travels 4.82 meters in 0.0036 seconds. what is its average speed? a. 1,338.89m/s
15. joella throws out a runner at home, a distance of 48.3 meters in 1.84 seconds. with what speed did she throw the ball? a. 26.25m/s
16. willi swift drives a hockey puck into the goal at a speed of 34.8m/s. from a distance of 60.0 meters, how long will it take to reach the net? a. 1072s
17. a swimmer sprints at a speed of 1.12m/s. how long will her sprint take if she swims a distance of 250 meters? a. 223.21s`
18. a high speed train traveling between Chicago and Detroit average 284.5 km/hr. if the trip takes 58 minutes, how far apart are the ciizens? a. 276.21km/min
19. a boats velocity changes from 4.3m/s to 7.2m/s in 4.7s. what is the boats average acceleratuion? .62m/s2
20. a cars velocity changes from 0m/s to 12m/s in 7.6s what is the cars average acceleration? a. 1.58m/s/s
21. a cyclist changes from 6.4m/s to 3.2m/s in 5.7 what is his average acceleration? a. -.56m/s
Created by: katelynn25
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