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Is velocity ratio of a machine affected by applying oil on it?Explain with reason.
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Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?
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As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
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One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
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Is velocity ratio of a machine affected by applying oil on it?Explain with reason....
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