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You use a pulley system to lift a car engine. you apply a force of 120n and the pulley pulls on the engine with a force of 1050n. what is the mechanical advantage of the pulley?
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Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f
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Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate
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Nthe 19th century, women were expected to conform to a certain role that entailed a. gaining domestic skills and establishing a career b. going to college and getting married c. getting married and having children d. graduating from college and being a housewife
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You use a pulley system to lift a car engine. you apply a force of 120n and the pulley pulls on the...
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