A high power line carrying 1000 A generates what magnetic field at the ground, 10 m away?
A)
3.2 × 10-6 T
B)
4.7 × 10-6 T
C)
6.4 × 10-6 T
D)
2.0 × 10-5 T
E)
5.6 × 10-5 T
D
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A resistor and a capacitor are connected in series to an ideal battery of constant terminal voltage. At the moment contact is made with the battery, the voltage across the resistor is
A) greater than the battery's terminal voltage. B) equal to the battery's terminal voltage. C) less than the battery's terminal voltage, but greater than zero. D) zero.
A mass src="https://sciemce.com/media/4/354096dfc31fe48a34.png" class="w-image" />?
is connected by a light string that passes over a pulley of mass M to a mass 
sliding on a frictionless incline as shown in the figure. There is no slippage between the string and the pulley. The pulley has a radius of 30.0 cm and a moment of inertia of 
If 
is 4.00 kg, 
is 4.00 kg, M is 4.00 kg, and the angle is 70.0 degrees, then what is the acceleration of
A. 3.10 
B. 2.89
C. 2.43
D. 2.15
E. 1.49
Coal exploitation gives a better return on investment than other fossil fuels
What will be an ideal response?
The weak magnetic fields around Europa and Ganymede were found during flybys of
A) Galileo. B) Stardust. C) Voyager 1. D) Cassini. E) Pioneer 10.