A is a machine which contains a lever and a wedge that combine to make work easier.
A) knife...
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Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles
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What is the temperature in degrees celsius of a substance with a tempature of 49k
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