As we can see in the illustration, Jeff stepped on the end of the board or lever and caused a huge, 600 pound rock to
be lifted in the air. The BEST explanation of what happened is
Jeff did work
The rock did work
No work was done because the lever was used
No work was done because the rock was moved vertically
Answers: 3
Physics, 22.06.2019 15:30
Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.
Answers: 2
Physics, 22.06.2019 17:30
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
Answers: 3
Physics, 23.06.2019 03:00
It is advised not to hold the thermometer by the bulb while reading it
Answers: 1
As we can see in the illustration, Jeff stepped on the end of the board or lever and caused a huge,...
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