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Two 2.1 cm 2.1 cm square aluminum electrodes are spaced 0.57 mm apart. The electrodes are connected to a 100 V battery.
(a) What is the capacitance?
pF
(b) What is the magnitude of the charge on each electrode?
nC
A lightweight electric car is powered by ten 12-V batteries, What must be the power of the electric motor if the car is to travel at a speed of 90 km/h
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An emf of 22.0 mV is induced in a 497 turn coil when the current is changing at a rate of 9.0 A/s. What is the magnetic flux through each turn of the coil
You drop 320 g of solid ice at ?35°C into a bucket of water (1,200 g) at 45°C. Eventually, the ice all melts, Find the final temperature of the system
In order to clearly read a book 24 cm away, a farsighted girl needs an image to be 35 cm from her eyes. What focal length is necessary for lens in her eyeglasses.
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