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AP Physics 1 study questions

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Which of the following is a quantity that is always positive or 0?

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Mar 1, 2020

Cards (11)

Section 1

(11 cards)

Which of the following is a quantity that is always positive or 0?

Front

Kinetic energy

Back

a 2 kg block rests at the edge of a platform that is 10 meters above level ground. The block is launched horizontally from the edge of the platform with an initial speed of 3 meters per second. Air resistance is negligible. The time it will take for the block to reach the ground is most nearly....

Front

...

Back

10. Object A is released from rest at height h. at the same instant, object B is thrown downward from the dame location. Which of the following graphs of speed v as a function of time t is correct for the two objects?

Front

l B / /A l / / l / / l/ / l/____________> B. (parallel lines, one starting higher)

Back

48. a pendulum has a length and a bob of mass m. Which of the following is true of the linear momentum of the baby as it swings from its highest to lowest point?

Front

B. It increases in magnitude and changes in direction .

Back

26. The horizontal wire shown at the right in the figure above will break when the tension in it exceeds the value of T max. What is the maximum mass M that the hanging object can have without the horizontal wire breaking? (Assume the wire on the left does not break prior to the horizontal wire breaking)

Front

Max tan(angle)/gravity

Back

34. Two particles collide and stick together. If no external forces act on the 2 particles, which of the following is correct for the change in total momentum and the change in total kinetic energy of the two particles?

Front

C. momentum is the same. Kinetic is lower.

Back

18. Resonance occurs in a soft drink bottle as air is blown across the top. What property of the resonant sound wave in the bottle remains the same as the level of fluid in the bottle decreases? I. The speed of the wave II The wavelength of the wave III The frequency of the wave

Front

A. only the speed is the same.. More water=shorter wavelength and hight frequency

Back

33. A toy car shown in the figure above enters the vertical circular loop with an initial velocity and moves completely around the loop without friction. If the car has no means of self propulsion, which of the following is true of the car's acceleration at the instant it is at point P?

Front

D. Downward and Toward the center of the circle

Back

40. A non rotating spherical planet with no atmosphere has mass M and radius R. A projectile of mass m is launched radially from the surface of the planet with an initial speed v=squarroot GM/2R. The potential energy of the projectile planet system, as a function of the planet's distance r from the center of the planet is U= -GMm/r. The greatest distance from the center of the planet that the projectile reaches is....

Front

D. 4/3 R

Back

1. A wind is blowing from north to south, as shown above, at speed of 8 m/s. a bicycle is traveling due east at a speed of 8 m/s. Considering both the wind and air resistance, in what direction will a small flag on the bicycle point?

Front

D. Southwest

Back

The radius of an astroid's orbit about the Sun is approximately 2 times the radius of Earth's orbit about the sun. The time, measured in Earth years, for the asteroid to make one complete revolution about the Sun is most nearly

Front

2.8 years

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