You hold a metal block of mass 40 kg above your head at a height of 2 m.
how much work is done...
Physics, 18.11.2019 20:31 hannahbannana98
You hold a metal block of mass 40 kg above your head at a height of 2 m.
how much work is done by gravity if you let the block fall to the ground?
o a. -80 j
o b. 80
o c. 784 j
o d. -784
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