revision/Grade10

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

• 9.8 m/s²
• 9.8 m/s
• 0 m/s²
• 0 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

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

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the horizontal acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²

Tags

NGSS.HS-PS2-1

What is the vertical acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

An object is shot from the ground (at 25 m/s) at 25 degrees and 65 degrees.  Which one has the greater range?   (assume no air resistance)

• 25 degrees
• 65 degrees
• same for both

Two balls of the same mass begin at a height of 2m. One is released from rest while the other begins with a horizontal velocity of 5m/s. Which object its the ground first?

• Ball A
• Ball B
• Both balls his the ground at the same time
• unable to determine with information given

Two objects - one with mass m and the other with mass 2m - are released from rest at the same height. Which object hits the ground first?

• mass m
• mass 2m
• both objects hit the ground at the same time
• unable to determine with information given

Tags

NGSS.HS-PS2-1

In the diagram, which letter represents the vertical displacement  $\Delta\overrightarrow{y}$  ?

• A

• B

• C

• D

In the diagram, which letter represents the horizontal displacement $\Delta\overrightarrow{x}$ ?

• A

• B

• C

• D

Which of the following depict the speed of the blowing ball?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1