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# Search Results for acceleration - All Grades

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Horizontal lines on a velocity/time graph show
1. constant acceleration.
2. no motion.
3. positive acceleration.
4. negative acceleration.
If a student rider her bicycle on a straight road and does not speed up or slow down, she is traveling with a
1. constant acceleration.
2. constant velocity.
3. positive acceleration.
4. negative acceleration.
Acceleration is the
1. rate of change in momentum.
2. rate of change in speed.
3. rate of change in velocity.
4. amount of time needed for an object to reach its destination.
What is gravitational acceleration?
1. acceleration due to gravity
2. acceleration due to air resistance
3. acceleration due to velocity
4. acceleration due to speed
Acceleration refers to                   .
1. increasing speed
2. decreasing speed
3. changing direction
4. all of the above
To accelerate means to                 .
1. increase speed
2. decrease speed
3. change direction
4. all of the above
College Forces and Motion
A football is tossed up into the air in the +y direction. Which of the following is true at the point where the football reaches the ground?
1. the velocity of the ball is negative and the acceleration is negative
2. the velocity of the ball is negative and the acceleration is positive
3. the velocity of the ball is positive and the acceleration is negative
4. the velocity of the ball is positive and the acceleration is positive
5. the velocity of the ball is zero and the acceleration is negative
The slope of the straight-line displacement time graph indicates                        .
1. acceleration at instant
2. distance traveled
3. uniform acceleration
4. uniform velocity
What is the formula for acceleration?
1. Distance/time
2. Force/Mass
3. Mass x Velocity
An object in free fall undergoes an increase in
1. speed, only.
2. acceleration, only.
3. both speed and acceleration.
4. none of the above.