Physics, 20.08.2019 00:30 teacherpreacher
Brianna weighs 425 n. she climbs a flight of stairs to a height of 8 m. it takes her 6 seconds.
how much work does brianna do when she climbs the stairs?
a.
71 j
b.
2550 j
c.
3400 j
d.
53 j
Answers: 1
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Brianna weighs 425 n. she climbs a flight of stairs to a height of 8 m. it takes her 6 seconds.
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