Projectile Motion Review

A marble launcher shoots a marble horizontally from the height of 0.2 m above a horizontal floor. The marble lands on the floor 5 m away from the launcher. How long did the marble stay in the air?

• 0.1 s

• 0.2 s

• 0.3 s

• 0.4 s

Tags

NGSS.HS-PS2-4

A marble launcher shoots a marble horizontally from the height of 0.2 m above a horizontal floor. The marble lands on the floor 5 m away from the launcher. What is the initial speed of the marble?

• 5 m/s

• 10 m/s

• 15 m/s

• 25 m/s

Tags

NGSS.HS-PS2-1

A rock is thrown straight up with twice the initial velocity of another. How much higher will the first rock be at its apex?

• 2 times

• 4 times

• 16 times

• The rocks will reach the same apex point

Tags

NGSS.HS-PS3-2

A student is standing on the top of a bridge. The student decides to throw a rock horizontally, and drop a rock at the same time. Which rock will be in the air longer?

• the dropped rock

• The rock thrown

• Both rocks are in the air for the same time

• Cannot tell from this information

A baseball is hit off of a bat at a 45 degree angle at a speed of 60 m/s. What is the speed of the baseball at its max height?

• 0 m/s

• greater than 0 m/s, but less then 60 m/s

• 60 m/s

• Greater than 60 m/s

A football is thrown at 25 m/s at an angle of 30 degrees. How long is the football in the air?

• 2.0 s

• 2.5 s

• 3.0 s

• 3.5 s

A football is thrown at 25 m/s at an angle of 30 degrees. How far does the football travel?

• 40 m

• 45 m

• 50 m

• 55 m

Gwyndolyn is standing on the top of the school with her friend Sam. Gwyn throws a tennis ball up at an angle, while Sam throws another tennis ball horizontally. Which ball will be in the air longer?

• Gwyn's tennis ball

• Sam's tennis ball

• Both tennis balls will be in the air for the same amount of time

• Not enough information

A bowling ball is rolled off the side of a building that is 11 m tall with an initial velocity of 10 m/s. How long is the bowling ball in the air?

• 1 s

• 1.5 s

• 2 s

• 2.5 s

Tags

NGSS.HS-PS2-4

A bowling ball is rolled off the side of a building that is 11 m tall with an initial velocity of 10 m/s. Where does the bowling ball land horizontally?

• 5 m

• 10 m

• 15 m

• 20 m