Projectile CALCULATIONS

If you drop a banana, how fast is it going after 2 seconds?

• 4.9m/s
• 9.8m/s
• 19.6m/s
• 29.4m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

If I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?

• 6 m/s
• 12 m/s
• 18 m/s
• 24 m/s

Tags

NGSS.HS-PS2-1

At what point is v_y= 0 m/s?

• A

• B

• C

• D

• None of these points

At what point is v_x= 0 m/s?

• A

• B

• C

• D

• None of these points

Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground farther from the base of the cliff?

• A

• B

• Both at the same distance

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A skateboarder rolls off a bridge into the river as shown. If the skateboarder spent 0.79 s in the air, how far above the river is the edge of the bridge?

• 5.5 m

• 0.70 m

• 1.3 m

• 3.1 m

• Not enough information given.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How long until the bullet reaches the ground?

• 0.52 s
• 0.27 s
• 0.13 s
• 0.36 s

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground? 

• 14 m
• 30 m
• 65 m
• 43 m

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

A ram leaps horizontally from a 10 m high rock with a speed of 3.5 m/s. How far from the base of the rock will she land?

• 5 m

• 5 m/s

• 5 N

• 5 m/s^2

Tags

NGSS.HS-PS2-1

Romeo threw a 2.8-kg squash horizontally off the top of the school roof in order to hit a target. The target is 12.4 m away from the base of the building. The building's roof is 11.4 m high. Assuming no air resistance, with what horizontal speed must he toss the pumpkin?

• 14.3 m/s

• 8.13 m/s

• 5.8 m/s

• 22.1 m/s

Tags

NGSS.HS-PS2-1