Pre AP Horizontal Projectiles

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

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

Which of the following would NOT be considered a projectile?

• a cannonball thrown straight up

• a cannonball rolling down a slope

• a cannonball rolling off a table

• a cannonball thrown in the air

In the absence of air friction, the horizontal component of a projectile's velocity doesn't change as the projectile moves.

• True

• False

Tags

NGSS.HS-PS2-1

Suppose an object is in free fall.(neglect air resistance) Each second the object falls _________

• the same distance as in the second before.

• a larger distance than in the second before.

• with the same instantaneous speed.

• with the same average speed.

What force acts in the y-direction that causes an object to travel in a parabolic arc?

• Friction

• Gravity

• Tension

• Air resistance

A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?

• 14 m

• 30 m

• 65 m

• 43 m

What is the height of a horizontal projectile if it takes 3 seconds to hit the ground?

• 3.00 m
• 29.4 m
• 44.1 m
• 88.3 m

Tags

NGSS.HS-PS2-4

A bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How long until the bullet reaches the ground?

• 0.52 s
• 0.27 s
• 0.13 s
• 0.36 s

Tags

NGSS.HS-PS2-4

The horizontal acceleration for a projectile is what value?

• 0 m/s²
• 9.8 m/s²
• 4.0 m/s²
• 8.1 m/s²