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Physics

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Amari Huel

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4y ago
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Cards in this guide (11)
Does the speedometer of a car read average speed or instantaneous speed

instantaneous speed

What is the total displacement of a child who walks 4 m South 2 m North 5 m South and 5 m North

2 m south

For an object moving in a circular path which quantity is always changing

velocity.

Which factor determines how fast a butterfly is moving

its size.

Which gives you a frame of reference for your speed when riding in a train

the sky overhead

Which describes a force acting on an object

a ball that moves when kicked

Which is a characteristic of projectile motion

It has variable acceleration

What is a cars acceleration if it increases its speed from 5 m s to 20 m s in 3 s

It accelerates at a speed of 5m/s

What describes the effects of forces on an object

Isaac Newton defines force as mass times acceleration.

What is the displacement of a person who leaves her porch to walk 1 mile and then returns s in 30 mins

The displacement is zero.

What is the frame reference for a plane moving at 500 kmh

The ground

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