Physics, 31.07.2019 22:30 Hollywood0122
You use a pulley to lift your bike to the ceiling for winter storage. when you bought the pulley, the salesman claimed that the pulley has a mechanical advantage of 10. while lifting the bike, you notice that the pulley is squeaking because it has rusted over the summer. you determine that the pulley now has an actual mechanical advantage of 3. what is its efficiency?
Answers: 2
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How many molecules are present in 3 mols of silicon dioxide (sio2)?
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Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
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Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road
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1700 j of energy is lost from 0.14 kg object , the temperature decreases from 50°c to 45°c what is the specific heat of this object, amd what is the material ?
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You use a pulley to lift your bike to the ceiling for winter storage. when you bought the pulley, th...
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