Physics, 28.11.2019 19:31 malikbryant2002
)what is the average useful power output of a person who does 6.00×106 j of useful work in 8.00 h? (b) working at this rate, how long will it take this person to lift 2000 kg of bricks 1.50 m to a platform? (work done to lift his body can be omitted because it is not considered useful output here.)
Answers: 1
Physics, 22.06.2019 05:30
Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon
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Physics, 22.06.2019 10:30
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
Answers: 1
Physics, 22.06.2019 14:30
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
)what is the average useful power output of a person who does 6.00×106 j of useful work in 8.00 h?...
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