Uniform Acceleration

Which option shows the right substitution for this question?

A car was moving at 3 m/s.

It accelerated at 2 m/s² over a distance of 5 m.

Calculate its velocity after the acceleration.

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A car is initially stationary. It accelerates at 6 m/s² over a distance of 200 m.

Which substitution is correct?

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• 

• You have to memorise this equation for the exam.

• You get given this equation in the exam on the Physics Equations Sheet.

Tags

NGSS.HS-PS2-1

The units of velocity are...

• m

• s

• m/s

• m/s²

Tags

NGSS.HS-PS4-1

The units of displacement are...

• m

• s

• m/s

• m/s²

The units of acceleration are...

• m

• s

• m/s

• m/s²

Tags

NGSS.HS-PS2-1

A car accelerates at 5m/s² from an initial velocity of 13m/s over a distance of 100m. What is the final velocity?

• 38.5 m/s

• 34.2 m/s

• 1.5 m/s

• 260 m/s

Tags

NGSS.HS-PS2-1

Calculate the height that a ball would rise to if it is thrown vertically into the air with a velocity of 5m/s. Acceleration due to gravity is 10m/s². (answer to 2d.p)

Tags

NGSS.HS-PS2-1

A stuntman drops off a building 20m high and lands on cardboard boxes. What is his velocity as he hits the boxes? Acceleration due to gravity is 10m/s²

Tags

NGSS.HS-PS2-4

A skydiver jumps from a plane. They leave the plane at rest, and fall vertically downwards. How fast are they falling after 100m of freefall? use 9.8m/s2 as acceleration due to gravity.

• 42 m/s

• 44 m/s

• 98 m/s

• 1960 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4