Unit 1 Kinematics and Vectors Retake B

What is the y component of the vector?

• 14sin(30)
• -14sin(30)
• 14cos(30)
• -14cos(30)

Jermaine runs exactly 2 laps around a 400 meter track. What is the distance traveled?

• 800 meters

• 400 meters

• 0 meters

• 200 meters

If you throw a baseball straight up, what is its velocity at the highest point?

• 9.8 m/s²
• 9.8 m/s
• 0 m/s²
• 0 m/s

Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800 meters

• 400 meters

• 0 meters

• 200 meters

From Gizmos: Which position-time graph matches the velocity-time graph above?

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From Gizmos: Which velocity-time graph matches the position-time graph above?

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If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is -10 m/s/s?

• 27 m/s
• 3 m/s
• -27 m/s
• -3 m/s

Tags

CCSS.8.EE.C.7B

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

If you throw a baseball straight up, what is the magnitude of its acceleration at the highest point?

• 9.8 m/s²
• 9.8 m/s
• 0 m/s²
• 0 m/s

If I have to tell you how big it is and I also have to give you a direction, then it is a

• vector
• scalar
• magnitude
• pythagorean