When a particular capacitor is connected to a source of sinusoidally varying emf with constant amplitude and a frequency of 60.0 Hz, the rms current is 3.00 A. What is the rms current if the source frequency is doubled?
1.12.0 A
2.6.00 A
3.4.24 A
4.3.00 A
5.1.50 A
2
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Carbonaceous meteorites are believed to come from:
A) coal formed on Mars, then blown into space by asteroid impacts. B) the core of a differentiated type M asteroid, now broken up. C) the crust of a differentiated C type asteroid, now broken up. D) a broken up cometary nucleus, dark like Comet Halley's nucleus. E) deep space, far beyond the solar system, hence their very low density.
The Tharsis region of Mars was most likely formed
A) from sediment that piled up due to past water erosion B) by plate tectonics C) by a plume of molten mantle material rising to the surface forming a bulge D) from compressions in the Martian crust as the planet cooled and contracted
The Himalayas were formed by
A) two pieces of continental crust colliding B) two pieces of oceanic crust colliding C) two pieces of continental crust separating D) pieces of oceanic and continental crust colliding
As an electron slows down from 0.9980c to 0.5000c, how much momentum does it lose? (c = 3.0 × 108 m/s, melectron = 9.11 × 10-31 kg)
What will be an ideal response?