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Physics Quiz 14 (25 MCQs)

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1. This is a requirement for heat transfer to occur between two objects (e.g. already in contact with each other).
2. A wing with very high aspect ratio (in comparison with low aspect ratio wing) will have.
3. Temperature is generally proportional to a substance's
4. An object travels a distance of 12.8 m in 15 seconds. What is its average velocity?
5. A merry-go-round starts at rest and builds up to a final angular speed of 0.34 rad/s while rotating through an angular displacement of 1.9 rad. What is its average angular acceleration?
6. If there are about 3 feet in 1 meter, then 25 meters is about
7. An electrostatic force of 2 X 102. newtons is exerted on a charge of 4 coulomb at point P in an electric field. The magnitude of the electric field intensity at P is
8. Which planet is nearest to the earth?
9. All of the following are base units of the SI system except
10. Which must be decreased in order to change the period of a pendulum from 1.5 s to 1 s?
11. Rio de Grande river has a total length of 505 km . What is this length in m?
12. If the volume of a confined gas is doubled (without the addition of more gas), the pressure will (assume the temperature remains constant)
13. A telescope and microscope differ in that_____
14. Which of the following shows a fast speed?
15. What force/s acting on the rock sitting on top of the hill?
16. Nichrome wire is used in an electric heater because_____
17. If you traveled to Jupiter, what would change?
18. Which of the following is a longitudinal wave
19. Which of the following quantities does not belong to the group?
20. Convert 22 m/s into km/hr
21. Which of these is a scientific hypothesis?
22. Which of the following is acceleration?
23. In a speed vs. time graph, a straight line shows that acceleration is
24. UNIT OF DISPLACEMENT IS
25. What will happen to the change in momentum if the force of impact between two objects that collided is tripled?
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