Acceleration Formative

A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

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

Slowing down is called

Choose all that apply.

• negative acceleration

• velocity

• speed

• deceleration

Which of the following is a unit for acceleration?

Choose all that apply.

• km/s

• m/s²

• mi/hr

• ft

• m/s/s

Tags

NGSS.HS-PS2-1

Acceleration only takes place when things speed up.

• true

• false

A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?

Remember: A = Change in Velocity / time

• 24 m/s²

• 16 m/s

• 18 m/s/s

• 16 m/s²

A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration?

• 0 m/s

• -40 m/s²

• 40 m/s²

• 40 m/s

Mark slams on the brakes after traveling 25 m/s. It takes him 3 seconds to come to a complete stop. What is his acceleration?

• 8.33 m/s²

• -8.33 m/s²

• 75 m/s²

• -75 m/s²

Tags

NGSS.HS-PS2-1

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.

• 2.2m/s²
• 7.0m/s²
• 5.7m/s²
• 70m/s²

Tags

NGSS.HS-PS2-1

A bicyclist begins moving with a velocity of 10 m/s and then decreases his velocity to 6 m/s in 2 seconds. What is the acceleration of the bicyclist?

• 4 m/s²

• -4 m/s²

• 2 m/s²

• -2 m/s²