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A 2.4 µF capacitor is connected across a generator whose output is given by V = Vp sin 2πft, where Vp = 24 V, f = 60 Hz, and t is in seconds.
(a) Determine what is the peak current?
mA
(b) Find what is the magnitude of the voltage at t = 7.0ms?
V
(c) Find what is the magnitude of the current at t = 7.0ms?
Astronaut Benny travels to Vega, the fifth brightest star in the night sky, leaving his 35.0-year-old twin sister Jenny behind on Earth. Benny travels by a speed of 0.9996 c, and Vega is 25.3 light-years from Earth.
A 4.5-g object moving to the right at 30 cm/s makes an elastic head-on collision with a 9-g object that is initially at rest. What fraction of the initial kinetic energy was transferred to the 9-g block
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It is possible to make a usable thermometer out of water. Suppose you have a 500 mL glass bottle which is filled with water at 12 C. how far up the straw does the water level move
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Frames S and S' are moving relative to each other along the x and x' axes. They set their clocks to t = t' = 0 when their origins coincide, Compute the spacetime interval ?s between the events
In 0.584 s, a 11.6-kg block is pulled through a distance of 3.02 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the block. The spring..
Two circular hoops, with masses and radii in the ratios m2/m1=4 and R2/R1=4, rotate with angular speeds in the ratio ?2/?1=2. What is the ratio of the kinetic energies K2/K1 ?
Suppose two vectors each have length 3.0 units. if the two vectors are perpendicular to each other, what is the resultant vector length
Assume a neuron in the brain carries a current of. Treating the neuron as a straight wire, what is the magnetic field it produces at a distance of 7.50.
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