Physics, 18.12.2020 14:00 veroushkarose7326
If two point masses 1kg & 4kg are seperated by a distance of 2m. Magnitude of gravitational force exerted by 1kg on 4kg is ?
(A) G/4
(B) G
(C) G/2
(D) G/3
Answers: 2
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If the speed of a particle triples ,by what factor does its kinetic energy increase?
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Physics, 23.06.2019 13:30, dontcareanyonemo
The water flowing over niagara falls drops a distance of 50 m. if all the gravitational potential energy is converted to thermal energy, by what temperature does the water rise? the specific heat of water is 4186 j/kg ∙ k. a)0.42 c° b)0.37 c° c)0.12 c° d)0.10 c°
Answers: 1
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Brian is speaking to you and a group of friends. he explains that nuclear power plants are essentially nuclear bombs waiting to explode. this is very worrisome to your friends. which statement is best suited to discredit brian and put your friends at ease? select all that apply. -nuclear power plants and nuclear bombs both use nuclear fission to generate energy, but a nuclear power plant very precisely controls the intensity of the reaction while a nuclear bomb releases the energy in one big explosion. -nuclear power plants use nuclear fusion to generate energy, but a nuclear bomb relies on nuclear fission. since, their reactants differ, their reactions differ. -nuclear power plants have never exploded in their 60 year history. -you agree with brian's statement.
Answers: 2
If two point masses 1kg & 4kg are seperated by a distance of 2m. Magnitude of gravitational forc...
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