Projectile Motion Review

A ball is thrown into the air. At the highest point, the ball has zero velocity and zero acceleration.

• True
• False

Tags

NGSS.HS-PS2-1

A baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. Assume no air resistance. a) What is the vertical component of the ball’s velocity? b)What is the horizontal component of the ball’s velocity?

• a) 24.9 m/s; b) 60.1 m/s
• a)60.1 m/s; b) 24.9 m/s
• a) 0 m/s; b) 65 m/s
• a + b) 17183.25 m

What is the value of the angle t?

• 27
• 31
• 38
• 43

What is the horizontal acceleration of a projectile?

• 0 m/s²
• -9.8 m/s²

Tags

NGSS.HS-PS2-1

When a ball is projected horizontally, what is its initial vertical velocity?

• 10 m/s
• 0
• not enough information given
• -9.81 m/s

This shape describes the trajectory of a projectile launched from the ground:

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

If an object was thrown vertically and it had a total airtime of 10 s, the time it took to get to the highest point was...

• 10 s

• 2.5 s

• 5 s

• 7.5 s

An object is in free-fall near the Earth’s surface. Describe what is happening to its velocity

• increasing

• decreasing

• remains the same (constant)

• is zero

Tags

NGSS.HS-PS2-1

A baseball is thrown across a field. Neglecting air resistance, describe the ball’s horizontal velocity.

• increases

• decreases

• stays constant

• is zero

A baseball is thrown across a field. Neglecting air resistance, describe the ball’s horizontal acceleration.

• increases

• decreases

• stays constant

• is zero

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2