Physics, 24.01.2020 18:31 shmueller1554
54. describe how you could focus the light from a bulb into a beam.
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Does heating a metal wire increase or decrease its electrical resistance? why?
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Arock displaces 1.65 l of water. the volume of the rock is: a: 1,650 cm³ b: 165.0 cm³ c: 16.50 cm³ d: 0.165 cm³
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Physics, 23.06.2019 07:00
Can someone me with my physics questions? i need correct answers only!
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Physics, 23.06.2019 14:50
Which statements describe how a machine can make work easier? check all that apply. it can put out more force than the input force by decreasing the distance through which force is applied. it can increase the amount of work performed if the output force is in the same direction as the input force. it can apply a force to an object in a different direction than the force applied to the machine. it can increase the distance through which a force acts by exerting less force than was used on it. it can exert a greater force through a greater distance than the force used on the machine.
Answers: 2
54. describe how you could focus the light from a bulb into a beam....
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