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Physics

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Melvin Sipes

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Cards in this guide (5)
A bicycle is an example of what machine

A bicycle is an example of a complex machine, consisting of interacting simple machines.

How long will it take a driver to drive 300 miles by maintaining a constant speed of 60 miles per hour

Time = Distance/Speed = 300 miles/60 mph = 5 hours

A force of 20 N gives a ball an acceleration of 4.0 ms on a level frictionless surface what is the mass of the ball

F=ma

m=F/a

m=20/4.0

m=5Kg

A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi

250 newtons

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Formula of mean

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