Physics, 03.11.2020 18:40, gorillalover9000
An object is lifted at constant speed a distance h above the surface of the Earth in a time t. The total potential energy gain of the object is equal to?
a. the average force
applied
b. the object’s total
weight
c. the total work
done on the object
d. the object’s
acceleration
Answers: 3
Physics, 22.06.2019 01:00, hoshoronline8454
When you turn on a battery-operated device, an electrical circuit is
Answers: 1
Physics, 22.06.2019 13:10, alejandramirand9836
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Physics, 22.06.2019 19:30, isiahb123
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
An object is lifted at constant speed a distance h above the surface of the Earth in a time t. The t...
Biology, 28.02.2020 20:01
Mathematics, 28.02.2020 20:02