Physics, 12.03.2020 02:25 leximae2186
Estimate the change in the thermal energy of water in a pond with a mass of 1,000 kg and a specific heat of 4,200 J / (kg- "C) if the water cools by 1 ° C.
Answers: 1
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If the speed of a particle triples ,by what factor does its kinetic energy increase?
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If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles
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Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
Estimate the change in the thermal energy of water in a pond with a mass of 1,000 kg and a specific...
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