Projectile Motion

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

• True
• False

Tags

NGSS.MS-PS2-2

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

Objects that are under the influence of gravity only are considered to be in ____

• freefall only
• projectile motion only
• freefall or projectile motion
• neither freefall nor projectile motion

Tags

NGSS.HS-PS2-4

What is the resultant of these two vectors?

• +2a
• 0
• -2a
• +a

Tags

NGSS.HS-PS2-1

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

NGSS.HS-PS2-4

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

What is the vertical acceleration of a projectile?

• 0 m/s²
• -9.81 m/s²

Tags

NGSS.HS-PS2-1

Which of the following would NOT be considered a projectile? 

• a cannonball thrown straight up
• a cannon ball rolling down a slope
• a cannonball rolling off a table
• a cannonball thrown in the air