Physics, 12.02.2021 19:20 babyphoraaaaa
A 10 kg sample of copper has 12,540 J of thermal energy. Determine the specific heat needed to raise the temperature from 15 °C to 40 °C.
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The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
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Physics, 22.06.2019 12:00
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
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Physics, 22.06.2019 18:30
Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?
Answers: 1
A 10 kg sample of copper has 12,540 J of thermal energy. Determine the specific heat needed to raise...
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