12345678954
06.12.2020 •
Physics
Fill in the blank. When using a wrench if you double the length of the wrench (effort arm), you have the required force to do the same amount of work.
Quartered
tripled
doubled
halved
Solved
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Ответ:
Halved
Explanation:
Fill in the blank. When using a wrench if you double the length of the wrench (effort arm), you have Halved the required force to do the same amount of work.
Ответ:
20 m
Explanation:
P.E=mgh
h=P.E/mg
h=39200/(200*9.8)
h= 20 meters.