Average Acceleration

Acceleration is defined as

• the change in velocity over time

• the change in position over time

• the change in time over velocity

• the change in time over distance

Tags

NGSS.HS-PS2-1

A bus starts from rest and accelerates to 14 m/s in 4 s. What is the average acceleration of the bus?

• 3.5 m/s2

• 5.9 m/s2

• 10.5 m/s2

• 24 m/s2

Tags

NGSS.HS-PS2-1

the unit of acceleration is

• (m/s²)

• jouls

• m

• s

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

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 slope of a velocity-time graph represents __________.

• acceleration

• displacement

• speed

• distance

What is happening at segment F?

• acceleration

• deceleration

• constant speed

• no motion/object at rest

Tags

NGSS.HS-PS2-1

What is the formula for average acceleration?

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NGSS.HS-PS2-1

A cyclist increases her speed from 5 m/s to 15 m/s in 5 seconds. What is her average acceleration?

• 2 m/s^2

• 3 m/s^2

• 4 m/s^2

• 5 m/s^2

Tags

NGSS.HS-PS2-1

Which of the following is a correct unit for average acceleration?

• m/s^2

• m/s

• s/m

• m^2/s

Tags

NGSS.HS-PS2-1