Projectile Motion

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.HS-PS2-4

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

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

• True
• False

Tags

NGSS.MS-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

What is the horizontal acceleration of a projectile?

• 0 m/s²
• -9.8 m/s²

Tags

NGSS.HS-PS2-1

Velocity is different from speed in that velocity is speed in a given direction.

• True
• False

What is the displacement from 2 to 10 seconds?

• 64 km
• 100 m
• 64m 
• 32 m 

What are the components of this vector?

• South and East
• South and West
• North and East
• North and West

What is the resultant of these two vectors?

• +2a
• 0
• -2a
• +a

Tags

NGSS.HS-PS2-1

Consider drops of water leaking from a water faucet. As the drops fall they 

• remain at a relatively fixed distance from each other
• get farther apart
• get closer together