The rate at which work is done is equivalent to which of the following?
a. increase in potential energy
c. potential energy
b. thermal energy
d. power
D
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Jupiter's interior is mostly liquid helium
a. True b. False Indicate whether the statement is true or false
While spinning down from 500 rpm to rest, a flywheel does of work. This flywheel is in the shape of a solid uniform disk of radius 1.2 m. What is the mass of this flywheel?
A) 4.0 kg B) 3.4 kg C) 4.6 kg D) 5.2 kg
Under standard conditions, the density of air is 1.29 kg/m3. What is the mass of the air inside a room measuring 4.0 m × 3.0 m × 2.0 m?
A) 0.32 kg B) 3.1 kg C) 31 kg D) 1.9 kg E) 19 kg
A galvanometer that gives a full-scale deflection when 150 µA runs through it is used to make an ammeter that reads a maximum of 1.00 A. To do this, a 3.3-m? shunt was required. What is the resistance of just the galvanometer?
What will be an ideal response?