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Card 6

Front

what is an inelastic object?

Back

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Card 7

Front

a spring has a spring constant of 30N/M. if the extension is 0.30m what is the force applied?

Back

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Card 8

Front

how can we tell when a spring has exceeded its limit of proportionality?

Back

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Card 9

Front

why does making a vehicle more streamlined improve fuel economy?

Back

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Card 10

Front

when a vehicle is travelling along straight road at a steady speed what can you say about the engine force and the air resistance?

Back

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Card 11

Front

what is the unit of work done?

Back

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Card 12

Front

what is the work done on an object if a force of 300N moves it a distance of 8m?

Back

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Card 13

Front

what is the increase in gravitational potential, when a mass of 40kg is lifted 8m vertically?

Back

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Card 14

Front

it takes 2 seconds to lift an object of 40kg 8m vertically. what is the power developed?

Back

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Card 15

Front

a boy of mass 40kg runs at the speed of 5m/s. what is his kinetic energy?

Back

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