Physics, 25.02.2021 23:20 genyjoannerubiera
A beaker of boiling water stops boiling and eventually reaches room
temperature. There is no lid on the beaker. The beaker and its content must
have:
A. gained thermal energy and mass from the surroundings.
B. gained thermal energy from the surroundings, but lost mass to the
surroundings.
C. lost thermal energy ang mass to the surroundings.
D. gained mass from the surroundings, but lost thermal energy to the
surroundings.
Answers: 3
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True or false: the revolution of the earth creates day and night as it rotates around the sun
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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 1
Physics, 22.06.2019 15:30
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
Physics, 22.06.2019 15:30
This is the number of complete movements of a wave per second.
Answers: 1
A beaker of boiling water stops boiling and eventually reaches room
temperature. There is no lid on...
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