What is meant by ‘like charges?'
a. charges that are both positive
b. equal amounts of charge
c. charges that are both negative
d. A and C
d
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State the principle of conservation of charge
What will be an ideal response?
The specific heat capacity of water is about twice the specific heat capacity of ice. The amount of heat required to raise the temperature of 1 kg of water 10°C is __________ times the amount of heat required to raise the temperature of 1 kg of ice 10°C
Fill in the blank(s) with correct word
Fluid Flow: A pump uses a piston of 15 cm diameter that moves at 2.0 cm/s as it pushes a fluid through a pipe. What is the speed of the fluid when it enters a portion of the pipe that is 3.0 mm in diameter? Treat the fluid as ideal and incompressible.
A. 50 m/s B. 50 cm/s C. 6.0 cm/s D. 22 cm/s
A 30-?F capacitor is charged to 80 V and then connected across an initially uncharged capacitor of unknown capacitance C. If the final potential difference across the 30-?F capacitor is 20 V, determine C.
A. 60 ?F B. 75 ?F C. 45 ?F D. 90 ?F E. 24 ?F