Projectile Motion

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.MS-PS2-2

NGSS.MS-PS2-4

What is the horizontal acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²

The shape of the path a projectile follows...

• circular
• linear
• wavy
• parabolic

What is the vertical acceleration of a projectile?(neglect air resistance) 

• 0 m/s²
• 9.8 m/s²

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position?

• 0s

• 1s

• 3s

• 4s

The initial horizontal velocity of a projectile is ____ its final horizontal velocity.

• less than

• equal to

• greater than

Which hits the ground first if they start at the same height: a dropped ball or a ball launched with a

horizontal velocity?

• the launched ball

• the dropped ball

• they both hit at the same time

What is the velocity of an object launched straight up at its highest point?

• zero

• equal to its v_x

• ½ its maximum value

• equal to gravity

Once a projectile is launched, what is the only force that affects its motion?

• mass

• friction

• inertia

• gravity

Tags

NGSS.MS-PS2-4

The path followed by a projectile is also known as its

• trajectory

• range

• height

• vertical displacement