Physics, 27.07.2019 17:20 LuckyCharms988

Brutus, a champion weight lifter, raises 220 kg a distance of 3.10 m. (a) how much work is done by brutus lifting the weights? j (b) how much work is done holding the weights above his head? j (c) how much work is done lowering them back to the ground? j(d) does brutus do work if the weights are let go and fall back to the ground? no yes (e) if brutus completes the lift in 2.1 s, how much power is developed? w

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 12:30, morgan3346

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

Answers: 1

continue

Physics, 22.06.2019 21:20, CM0

Abeverage can is made of 3004-h19 aluminum alloy (elastic modulus 69 gpa, tensile yield strength 285 mpa, density 2.72 g/cm^3). the dimensions on the can are approximated as a thin-walled cylinder with a height of 4.83 inches, diameter of 2.60 inches. empty the can has a mass of 14.2 g. determine: a. the wall thickness of the cylinder b. assuming a pinned-pinned condition what is the critical load? c. assuming a fixed-fixed condition what is the critical load?

Answers: 1

continue

Physics, 22.06.2019 23:00, itscheesycheedar

Astronomers studying the planet of rhombus have detected sedimentary rock on its surface. one astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in rhombus’s interior. can igneous rock become sedimentary rock? explain your answer.

Answers: 1

continue

Physics, 23.06.2019 00:00, garysingh7

Determine the largest intensity w of the uniform loading that can be applied to the frame without causing either the average normal stress or the average shear stress at section b–b to exceed σ=19 mpa and τ=24 mpa, respectively.

Answers: 3

continue

You know the right answer?

Brutus, a champion weight lifter, raises 220 kg a distance of 3.10 m. (a) how much work is done by b...