Physics, 02.06.2021 23:00 stellaglenn205
A man who works for a moving company is loading a box onto a moving van. He pushes a 200N box up a 5m long ramp. If he pushes with a force of 60N and the ramp is 1m high, what is the efficiency of the inclined plane
Answers: 3
Physics, 22.06.2019 13:20
Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron
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Physics, 22.06.2019 14:30
What was the first instrument to ever record an earthquake?
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Physics, 22.06.2019 16:30
3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?
Answers: 2
Physics, 22.06.2019 21:30
The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?
Answers: 1
A man who works for a moving company is loading a box onto a moving van. He pushes a 200N box up a 5...
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