Projectile motion and centripetal acceleration review

Neglecting air resistance, what is the horizontal velocity (V_X) at A? (careful here)

• 5 m/s

• 0 m/s

• -10 m/s

• -30 m/s

Neglecting air resistance, what it the vertical velocity (V _Y)  at C?

• 5 m/s
• 0 m/s
• -10 m/s
• -30 m/s

Neglecting air resistance, what is the acceleration at C? (Dun Dun Dun)

• 5 m/s²

• 0 m/s²

• -9.8m/s²

• -30 m/s²

The more mass an object has, the faster it will fall.

• True
• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the horizontal acceleration of a projectile? (HORIZONTAL!!!!!!!!!!!)

• 0 m/s²

• 9.8 m/s²

If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which will hit the ground first?

• Shot Bullet
• Dropped Bullet
• Hit at Same Time

Tags

NGSS.MS-PS2-4

Does vertical velocity change as a projectile rises and falls?

• yes 
• no

If a projectile is launched horizontally from a height of 12 m, how long will it take to hit the ground?

• 2.45 seconds

• 5.16 seconds

• 1.56 seconds

• 4.25 seconds

Which represents the acceleration of the ball?

• A
• B
• C
• D

Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his centripetal acceleration?

• 0.25 ms^-2

• 0.5 ms^-2

• 1 ms^-2

• 2 ms^-2