Physics, 16.11.2020 16:40 Karinaccccc
4. The temperature of a body falls from 40℃ to 36℃ in 5 minutes when placed in a surrounding of constant temperature 16℃. Find the time taken for the temperature of the body to become 32℃.
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What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.
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Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
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A"car"initially"at"rest"experiences"a" constant"acceleration"along"a"horizontal" road."the"position"of"the"car"at"several" successive"equal"time"intervals"is" illustrated"here. between"which"adjacent"positions"is"the" change"in"kinetic"energy"of"the"car"the" greatest
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What happens to light when it strikes the inside surface of a smooth, curved mirror?
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4. The temperature of a body falls from 40℃ to 36℃ in 5 minutes when placed in a surrounding of cons...
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