Physics 101 Midterm 1

- Ap Physics 1 Midterm Review
- Physics 1 Midterm Cheat Sheet
- Physics 1 Midterms
- Ap Physics 1 Midterm
- Physics 1 Midterm Review
- Physics 1 Midterm 1
- Ap Physics 1 Midterm Practice Test

YOU MUST CIRCLE YOUR ANSWERS ON THIS EXAM AND TURN IT IN WITH YOUR SCANTRON.

Physics Midterm #2 - Conceptual Questions. Terms in this set (13) 27.3. The electron drift speed in a wire is exceedingly slow - typically only a fraction of a millimeter per second. Yet when you turn on a flashlight switch, the light comes on almost. D) 12.0 m Outcome S4P-1-18 A e: To determine the maximum height, consider the first half of the motion. The vertical component of velocity at the top of motion is zero. An appropriate equation is 2 2= 1 2+ 2 ad. Solve for “ d”: d 2 2 0200 400 29 m/s m/s.sin.80 843 m/s2. M v v1 v d v g v v1 v d v g v v1 v d v g v v1 v d v g Midterm. 1 Your Name: PHYSICS 101 MIDTERM October 25, 2007 2 hours Please circle your section 1 9 am Nappi 2 10 am McDonald 3 10 am Galbiati 4 11 am McDonald 5 12:30 pm Pretorius Problem Score 1 /15 2 /10 3 /20 4 /15 5 /20 6 /20 Total /100 Instructions: When you are told to begin, check that this examination booklet contains all the numbered pages from.

Choose the best answer. Use g = 10m/s^{2} and ignore air resistance and friction unless mentioned.

Use MKS units. Try to answer as many as you can before digging in the book. Good Luck and Have Fun!

1. Mass is a measure of a) speed b) acceleration c) inertia d) weight e) all of these

- An object’s resistance to change its state of motion is a) weight b) force c) inertia d) all of these

3. An object's resistance to rotate is a) angular momentum b) angular velocity c) torque d) rotational inertia

- A car moves with an average speed of 60 km/hr for an hour. How far will it travel in 10 minutes?

## Ap Physics 1 Midterm Review

a) 10 km b) 20 km c) 30 km d) 60 km

5. If you throw a rock straight up at 50 m/s, how long will it take for it to come back to your hand where you threw it?

a) 5 s b) 10 s c) 20 s d) 100 s

6. I drop a 2 kg rock from a cliff and it hits the ground 2 seconds later. How high is the cliff?

- 5 m b) 20 m c) 30 m d) 45 m e) 125 m

7. How fast is the rock going just before it hits the ground? a) 10 m/s b) 20 m/s c) 30 m/s d) 45 m/s

8. What is the acceleration of the rock just before it hits the ground? a) 10 m/s b) 10 m/s^{2} c) 5 m/s^{2} d) zero

9. How much does the rock weigh? a) 10 kg b) 2 kg c) 20 N d) 2 N e) 20 J

10. What is the potential energy of the rock relative to the ground just before I drop it?

a) 200 J b) 400 J c) 200N d) 400N e) zero

11. What is the Kinetic Energy of the rock just before it hits the ground? a) 200 J b) 400 J c) 200N d) 400N e) zero

12. What is the potential energy just when it hits the ground? a) 200 J b) 400 J c) 200N d) 400N e) zero

13. Now consider air resistance. How much air resistance must the rock experience to reach terminal velocity?

a) 20 J b) 40 J c) 20N d) 40N e) zero

14. If you throw a ball horizontally off a 80m cliff at 10m/s, how far below the horizontal is it 1second later?

a) 5 m b) 10 m c) 20 m d) no change

15. How far will the ball travel horizontally in 1 second? a) 10m b) 20m c) 80 m d) 100 m

16. How far away from the base of the cliff will the ball land when it hits the ground? a) 10m b) 20m c) 40 m d) 80 m

17. How fast would you have to throw the rock so that it never hit the Earth? a) 1 km/s b) 8 km/s c) 10 m/s d) 11 m/s

18. If you swim at 2 m/s upstream against a current flowing at 5 m/s, what is your net speed relative to the shore?

a) 10 m/s b) 3m/s c) - 2 m/s d) -3 m/s e) zero

19. How much work is done carrying a 10kg box up a 50m high ramp? a) 500 N b) 500 J c) 5000N d) 5000J e) zero

20. How much gravitational potential energy does the box gain in 19? a) 500 N b) 500 J c) 5000N d) 5000J e) zero

21. What is the acceleration of an object that has reached its terminal velocity? a) 10 m/s^{2} b) 5 m/s^{2 }c) zero d) unknown

22. A rock and feather fall in a vacuum with the same acceleration due to gravity (10 m/s^{2} ) because

- the force of gravity acting on them is the same
- the ratio of weight to mass is the same for both of them

23. Granny has a mass of 50 kg and skates at 1 m/s. What is her momentum?

## Physics 1 Midterm Cheat Sheet

a) 50 m/s b) 500 m/s c) 50 kg m/s d) zero

24. Johnny has a mass of 50 kg and is standing on the ice. What is his momentum?

a) 50 m/s b) 500 m/s c) 50 kg m/s d) zero

25. Granny picks up Johnny and skates on. What is the final momentum of the system, Granny plus Johnny?

- 5 m/s b) 1/2 m/s c) 5 kg m/s d) 1/2 kg m/s e) zero

## Physics 1 Midterms

26. Gravity, as well as other natural phenomena such as light follow this sort of law:

a) linear b) quadratic c) inverse-square e) exponential

27. Which has the greater gravitational force on the Earth? a) Sun b) Moon c) Mars d) Jupiter

28. Which has more effect on the ocean tides on Earth? a) Sun b) Moon c) Mars d) Jupiter

## Ap Physics 1 Midterm

29. Neap tides occur every a) spring b) full and new moon c) 1^{st} and 3^{rd} quarter d) eclipse

## Physics 1 Midterm Review

30. Consider a spinning record. Where is the velocity the greatest? a) near the axis b) near the edge c) same everywhere

## Physics 1 Midterm 1

31. Sally (50 kg) sits 50 cm from the fulcrum (pivot point) of a see saw as shown. Cindy sits 100 cm from the fulcrum. The see saw is in perfect balance. How much does Cindy weigh?

## Ap Physics 1 Midterm Practice Test

a) 50 kg b) 50 N c) 100 N d) 250 N e) 250 kg