Projectile

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

The final velocity on the highest point is...

• 2.1 m/s

• positive

• 0 m/s

• negative

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-PS2-1

In the absence of air friction, the horizontal 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

An object in free fall is also called

• gravity

• projectile motion

• projectile

• tide

Tags

NGSS.MS-PS2-4

A plane flying horizontally at 120 m/s drops a crate. When the crate strikes the ground 15 seconds later, what is the magnitude of the horizontal component of its velocity?

• 147 m/s

• 120 m/s

• 1800 m/s

• 8 m/s

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

Determine the missing speed in the Y direction.

• 126 m/s

• 48 m/s

• 57 m/s

• 36 m/s

Determine the missing speed in the X direction.

• 26 m/s

• 65 m/s

• 57 m/s

• 36 m/s