Albert has a flashlight in each hand and directs them at the front and rear ends of the freight car. albert switches the flashlights on at the same time.
in albert's frame of reference, which beam of light travels at a greater speed, the one directed toward the front or the one toward the rear of the train, or do they travel at the same speed? which beam travels faster in your frame of reference?
enter the answers for albert's frame of reference and your frame of reference separated by a comma using the terms front, rear, and same. for example, if in albert's frame of reference the beam of light directed toward the front of the train travels at a greater speed and in your frame of reference the two beams travel at the same speed, then enter front, same.
Answers: 2
Physics, 23.06.2019 00:00
Based on this activity, is kinetic energy always transformed into potential energy?
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Physics, 23.06.2019 00:10
During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
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Physics, 23.06.2019 00:30
Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.
Answers: 2
Albert has a flashlight in each hand and directs them at the front and rear ends of the freight car....
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