Acceleration

the unit of acceleration is

• (m/s²)

• jouls

• m

• s

Tags

NGSS.HS-PS2-1

Acceleration: is the rate of change in

• velocity

• speed

• displacement

• direction

Tags

NGSS.HS-PS2-1

A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?

• 0.7m/s²
• 7m/s²
• 14m/s²
• none of the above

Tags

NGSS.HS-PS2-1

What is happening in this graph from point A to B?

• The object is speeding up.

• The object is not moving.
• The object is slowing down.

• The object is moving at a constant speed.

Tags

NGSS.HS-PS2-1

Which graph shows the object standing still?

• A
• B
• C
• D

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.

• 30 m/s
• 24 m/s²
• 9 m/s²
• 81 km/hr

Tags

NGSS.HS-PS2-1

The picture of the position vs. time graph shows an object that is...

• accelerating/speeding up
• moving at a constant speed 
• not moving 
• accelerating/slowing down. 

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -7.5 m/s
• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi//hr

Tags

NGSS.HS-PS2-1

What kind of acceleration is shown here?

• positive
• negative
• none
• varies

What kind of acceleration is shown here?

• positive
• negative
• none
• varies

Tags

NGSS.HS-PS2-1