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AP Physics 1 Chapter 2

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Section 1

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180 m

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Physics

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Date created

Mar 1, 2020

Cards (33)

Section 1

(33 cards)

180 m

Front

a clever person who knows physics measures the depth of a deep hole by dropping a rock into the hole. the rock takes 6 seconds to hit the bottom. the depth of the hole is approximately:

Back

zero negative

Front

an object is shot vertically upward into the air with a positive initial velocity. which of the following correctly describes the velocity and acceleration of the object at its maximum elevation?

Back

0.0-5.0 s

Front

according to the graph above, during which interval does the cat have the greatest positive velocity?

Back

16 m/s

Front

the acceleration of gravity on the moon is about 1.6 m/s*s. a 2-kg object on the moon is dropped from rest. after ten seconds, the speed of the object is

Back

10.0-15.0 s

Front

according to the graph above, the cat has the fastest speed during which interval?

Back

the speed of the car is increasing at point c

Front

which of the following statements about the graph in figure 4-1 is FALSE?

Back

between 1 and 2 s

Front

the graph above shows the velocity versus time for an object moving in a straight line. at what time after t=0 does the object again pass through its initial position?

Back

1

Front

which graph in figure 3-1 represents an object with non-zero uniform speed?

Back

-36 m

Front

a body moving in the positive x direction passes the origin at time t=0. between t=0 and t=1 second, the body has a constant speed of 24 meters per second. at t=1 second, the body is given a constant acceleration of 6 meters per second squared in the negative x direction. the position x of the body at t=11 seconds is

Back

5.0-10.0 s

Front

according to the graph above, during which interval is the cat at rest?

Back

0.2 m/s*s

Front

The graph in figure 4-3 shows an acceleration of

Back

2.0 m/s

Front

the initial speed (Vo) shown in figure 4-3 is

Back

the car travels at a constant speed

Front

when a car's velocity is negative and its acceleration is zero, what is happening to the car's motion?

Back

20 m/s

Front

an object falls for 2 seconds after being dropped from rest. its speed is approximately:

Back

the car speeds up

Front

when a car's velocity is negative and its acceleration is negative, what is happening to the car's motion?

Back

10 m/s downward

Front

a object is thrown straight upwards with a speed of 20 m/s. three seconds later, its speed is

Back

increases from 1 m/s to 4 m/s

Front

between two and three seconds, the speed of the object shown in figure 4-2

Back

-1 m/s*s between 6 and 8 seconds

Front

the acceleration of the object in figure 4-2 is

Back

4

Front

which graph in figure 3-1 represents an object whose speed is zero?

Back

equal equal

Front

balls 1 and 2 are each thrown horizontally from the same height above level ground, but ball 2 has a greater initial velocity after leaving the thrower's hand. if air resistance is negligible, how do the accelerations of the balls and the times it takes them to hit the ground compare?

Back

zero

Front

the displacement x of an object moving along the x-axis is shown above as a function of time t. the acceleration of this object must be

Back

the car slows down

Front

when a car's velocity is negative and its acceleration is positive, what is happening to the car's motion?

Back

2

Front

which graph in figure 3-1 represents an object whose speed is increasing?

Back

6.0 m/s*s

Front

an object is released from rest on a planet that has no atmosphere. the object falls freely for 3.0 meters in the first second. what is the magnitude of the acceleration due to gravity on the planet?

Back

the car slows down

Front

when a car's velocity is positive and its acceleration is negative, what is happening to the car's motion?

Back

5 m/s*s

Front

a sports car reaches a speed of 20 m/s in 4 seconds after starting from rest. the acceleration of the car is

Back

500 m

Front

an arrow is shot straight up into the air at a speed of 100 m/sec. what is the maximum height reached by the arrow? you may neglect air friction.

Back

the acceleration varies

Front

what does the graph above illustrate about acceleration?

Back

b

Front

which point on the speed versus time graph in figure 4-1 has the highest acceleration?

Back

12.5 m

Front

according to figure 4-2, in the first 5 seconds the object moves a distance of approximately

Back

the accelerations at A and B are each zero

Front

in the graph above, how does the acceleration at A compare with the acceleration at B?

Back

3

Front

which graph in figure 3-1 represents an object whose speed is decreasing to zero?

Back

the parabolic graph

Front

a person throws a marble straight up into the air, releasing it a short height above the ground and catching it at that same height. if air resistance is negligible, which of the following graphs of position y versus time t is correct for the motion of the marble as it goes up and then comes down?

Back