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20 questions
A ping-pong ball rolls forward 6 meters, and bounces backward 3 meters. It traveled a total displacement of:
The slope of a velocity-time graph represents __________.
acceleration
displacement
speed
distance
This position vs. time graph shows an object...
not moving
moving with constant velocity
moving with changing velocity
Which of these position vs. time graphs shows an object changing direction?
Which of these velocity vs. time graphs shows an object changing direction?
Select the two correct statements that describe the object's motion.
The object is moving in the positive direction.
The object is moving in the negative direction.
The object is moving at a constant speed.
The object is speeding up.
The object is slowing down.
Select the two correct statements that describe the object's motion.
The object is moving in the positive direction.
The object is moving in the negative direction.
The object is moving at a constant speed.
The object is speeding up.
The object is slowing down.
According to the graph what is the distance traveled over the whole trip?
12.5 m
How would you find the average speed from 0 - 40 seconds?
10/40 = 0.25 m/s
40/10 = 4 m/s
slope = 10/20 = 0.5 m/s
slope = 0/20 = 0 m/s
How would you find the average velocity from 40-100 seconds?
-10/60 = -0.167 m/s
10/60 = 0.167 m/s
0/60 = 0 m/s
-40/60 = -0.67 m/s
In the motion diagram shown, when would the acceleration be considered negative? (Assume right is the positive direction)
never
at A only
at B only
at A and B
For a ball thrown straight up in the air, which of the following statements is TRUE? (assume up is the positive direction)
The velocity is positive the whole time the ball is in the air.
The acceleration is only negative on the way down.
The velocity and acceleration are both positive on the way up.
The velocity and acceleration are both negative on the way down.
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