Which of the following forces can both attract and repel some objects without touching them?
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Physics, 28.10.2019 02:31 kellypechacekoyc1b3
Which of the following forces can both attract and repel some objects without touching them?
a. magnetism
b. spring
c. gravity
d. friction
Answers: 1
Physics, 22.06.2019 20:30
This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.
Answers: 1
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Question 1 of 15 2 points when doing science as inquiry, you should have some idea of what you think the final result will be. o a. true o b. false submit
Answers: 1
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Estimate the kinetic energy of the neptune with respect to the sun as the sum of the terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. [assume the neptune is a uniform sphere with mass = 1.0×1026 kg , radius = 2.5×1010 m , rotation period 16.1 h , orbital period 6.01×104 d and is 4.6×109 km from the sun.]
Answers: 2
Physics, 23.06.2019 13:00
The maximum wavelength of light required to eject an electron from zinc is 270nm. calculate the threshold frequency of zinc.
Answers: 1
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