Understanding Velocity and Acceleration Concepts

Order the objects by speed, starting with the object with the highest speed.

• S

• R

• Q

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​ Charlotte's car travels ​ (a)   in 30 seconds, while Michael's car travels (b)   in 30 seconds. Charlotte's car is traveling at a (c)   speed than Michael's car.

• 150 meters

• 275 meter

• higher

• slower 

• 250 meters

• 125 meterd

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Why does the distance-time graph of Aiden's walk to school form a straight line?

• The distance remains unchanged.

• The direction of motion stays the same.

• The speed is constant.

• The speed gradually increases over time.

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Emma is driving her car. Which of the following quantities describes her velocity?

• 3 g/L in weight

• 25 m/s

• 15 m/s²

• 10 km/hr eastward

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Mason is driving his car and wants to calculate his speed. What information does he need?

• distance and size

• distance and time

• weight and time

• weight and size

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Benjamin is driving a car that is accelerating at an increasing rate. Which other property of the car is also increasing?

• mass

• temperature

• velocity

• volume

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David is riding a bicycle on a path heading east at 15 miles per hour. Meanwhile, Ethan is jogging on the same path heading west at 15 miles per hour. Which of the following is true?

• David and Ethan are moving in opposite directions, so their speeds are different.

• David and Ethan are moving at the same velocity but different speeds.

• David and Ethan are moving in opposite directions, so their velocities are different.

• David and Ethan are moving at the same velocity and the same speed.

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Emma is driving her car at 40 kilometers an hour. She turns right while maintaining the same speed. The action Emma takes changes her

• speed.

• speed, but not its direction.

• direction, but not its acceleration.

• acceleration.

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Elijah is riding his bicycle and tracking his journey on a graph. Which of the following can be inferred from the graph?

• The object is experiencing acceleration.

• The object has a negative acceleration.

• 
  The object moves at a constant speed.

• The object is moving along a curved path.

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Avery drove a car to complete a trip. The graph displays data about the car's motion during the trip. Which of the following statements about the car's motion is true?

• 
  The total time for the car trip was 50 minutes.

• The car returned to where it had started the trip at the end of the trip

• The car did not slow down during the trip.

• The car did not travel at a constant speed during the entire trip.

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