A body builder is about to lift a mass of 95 kg.
A - What is the weight of the mass if the gravitational field strength on Earth is 9.81 N/kg?
B - If the mass is lifted through a distance of 1.6 m, what is the work done on the mass?
C - Calculate the maximum gravitational potential energy of the weight at this height?
D - The mass is lifted through the height in 2.5 s, what is the personal power of the body builder here?
Answers: 2
Physics, 22.06.2019 10:30, elijahjacksonrp6z2o7
The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water
Answers: 2
Physics, 22.06.2019 17:30, funnybugy16
How does the entropy of steam compare to the entropy of ice?
Answers: 2
A body builder is about to lift a mass of 95 kg.
A - What is the weight of the mass if the gravitat...
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