A cyclist is riding a bicycle whose wheels have a diameter of 20 inches. Suppose the wheels turn at a rate of 320 revolutions per minute. (a) Find the angular speed of the wheels in radians per minute. (b) Find the speed of the cyclist in miles per hour. (Use the fact that
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Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work
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Physics, 21.06.2019 23:30
If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)
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In positive numbers less than 1, the zeros between the decimal point and non zero are significant
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Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be
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A cyclist is riding a bicycle whose wheels have a diameter of 20 inches. Suppose the wheels turn at...
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