Physics, 09.04.2021 01:00 quantamagic
What is the temperature increase of 1 Kg of water at the bottom of a waterfall if all of the initial potential energy (1421J) is transferred as heat to the water?
Answers: 2
Physics, 22.06.2019 10:40
When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is
Answers: 2
Physics, 22.06.2019 23:10
Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.
Answers: 1
Physics, 23.06.2019 13:30
Acarpenter is driving a 15.0-g steel nail into a board. his 1.00-kg hammer is moving at 8.50 m/s when it strikes the nail. half of the kinetic energy of the hammer is transformed into heat in the nail and does not flow out of the nail. what is the increase in temperature of the nail after the three blows that the carpenter needs to drive the nail in completely? the specific heat of steel is 448 j/kg ∙ k. a) 2.7 k b) 1.8 k c) 7.7 k d) 8.1 k e) 3.6 k
Answers: 1
Physics, 23.06.2019 18:00
Five examples total of events causing weathering and erosion ( explain)
Answers: 1
What is the temperature increase of 1 Kg of water at the bottom of a waterfall if all of the initial...
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