Physics, 24.06.2019 23:00 asanjog2755
Achild pulls a sled by a rope across the lawn at a constant speed. of the forces listed, identify which act upon the sled. (choose more than one) normal gravity applied friction tension air resistance
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Physics, 22.06.2019 02:30
Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.
Answers: 1
Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
Answers: 3
Physics, 22.06.2019 14:30
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
Physics, 22.06.2019 17:30
Which planet do you think would be easiest for humans to colonize some day?
Answers: 1
Achild pulls a sled by a rope across the lawn at a constant speed. of the forces listed, identify wh...
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