Unit 3 Projectile and Circular Motion

A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How long until the ball reaches the ground?

• 0.45 s
• 0.67 s
• 0.22 s
• 0.47 s

Tags

NGSS.HS-PS2-1

What is the resultant of these two vectors?

• +2a
• 0
• -2a
• +a

Tags

NGSS.HS-PS2-1

The acceleration during the whole trip, on the horizontal component, is always...

• 0 m/s²

• 3.6 m/s²

• 5 m/s²

• -9.8 m/s²

Tags

NGSS.HS-PS2-1

If the time to get to the highest point is 2.6 s, what would be the total time in the air?

• 2.6 s

• 3.8 s

• 5.2 s

• 4.9 s

Tags

NGSS.HS-PS2-4

The acceleration during the whole trip, on the vertical component, is always...

• 0 m/s²

• 3.6 m/s²

• 5 m/s²

• 9.8 m/s²

Tags

NGSS.HS-PS2-1

The final velocity on the highest point is...

• 2.1 m/s

• positive

• 0 m/s

• negative

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

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

How many equations can we use for Horizontal and Vertical motion? (Podcast)

• 1

• 2

• 3

• 4

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

• True
• False
• Sometimes true
• Sometimes false

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