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Physics Quiz 36 (25 MCQs)

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1. From the various combinations of _____ derived units are obtained.
2. Tessie measures her bathroom tiles to be 10 inches by 8 inches. What are the length and width in cm?
3. Energy posses by a body in motion is called
4. If R1 < R2 < R3, and if these resistors are connected in parallel in a circuit, which one has the highest current?
5. What is the product of the mass and the velocity of the object?
6. Find the x-and y-components to a vector that is 89.5 mm at 305$^ \circ$ in standard position.
7. Why are gaps left between the rails of the railway track
8. The derived unit of (kg2 m2) / (kg m s2) is equivalent to
9. What does the gradient in a distance-time graph give you?
10. Of the following quantities, the one that is not a scalar in character is _____
11. Which of the following is true about a rock moving in outer space?
12. It constitutes units based on power of 10 which makes it preferred system to be used in science
13. The vector resultant of an object's change in position is the same at its displacement.
14. How much force is needed to keep an object with a constant speed moving?
15. What is the acceleration of gravity?
16. How do you measure final velocity?
17. The distance in meters traveled by a particle is related to time (t) in seconds by the equation of motion-S = 10 t +4 t2. What is the initial velocity of the body?
18. The maximum velocity upto which fluid motion is streamline is called
19. If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same
20. What does gradient give you in a speed-time graph?
21. If the object is in equilibrium, find the magnitude and direction of the force that produces equilibrium.
22. Which of the following is true about acceleration?
23. Three resistors connected in parallel have individual values of 4.0, 6.0 and 10.0 ohm, respectively. If this combination is connected in series with a 12-V battery and a 2.0-ohm resistor, what is the current in the 10-ohm resistor?
24. What is the unit of measurement for energy?
25. Which of the following would produce the highest pitch?
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