AP Physics 1 Unit 2 - Kinematics

What shape does a projectile make?

• Parabola

• Hyperbola

• Linear Line

• Projectiles do not follow a predictable path

When solving two dimensional problems, what variable is shared between the x and y directions?

• Acceleration

• Displacement

• Time

• Velocity

Vectors in two dimensions are ___________

• Opposite

• Equal

• Dependent

• Independent

Two objects are released at the same time. One object is dropped in the vertical direction and one is launched horizontally into projectile motion. Which object hits the ground first?

• Both hit the ground at the same time

• The object dropped hits the ground first

• The object launched horizontally hits the ground first

• Unable to determine without further information

• X

• Y

• Both X and Y

• Neither X nor Y

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Two identical balls, X and Y, are projected horizontally from the edge of a cliff. The path of each ball is shown in the picture. Which of the following statements are false?

• They have the same initial horizontal speed

• They have the same vertical acceleration

• They have the same initial vertical velocity

• They take the same amount of time to reach the water

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• A

• B

• C

• D

• E

A rock is thrown in the air as shown in the picture. If it takes 5 seconds to reach point D, how long will take the rock to reach the ground from point D?

• 2.5 s

• 5 s

• 10 s

• 1 s

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NGSS.HS-PS2-4

Based on the picture, how would you find the vertical component of the soccer ball's velocity?

Based on the picture, how would you find the horizontal component of the soccer ball's velocity?