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Solve the following question given below:
Question: The output voltage of a power supply is V=V0 sin (120 t) volts. At t=.01 s the output voltage is 4.2 V.
Part I: what is the rms voltage of the generator?
I need help to solve the above question. Thank you.
A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, Find the speed of the chair
A diffraction pattern forms when light passes during a single slit. The wavelength of the light is 686 nm. Decide the angle that locates the first dark fringe when the width of the slit is (a) 1.7 x 10-4 m and (b) 1.7 x 10-6 m.
Compute the average intensity
Two identical guitar strings are stretched with the same tension between supports that are not the same distance apart. The fundamental frequency of the higher-pitched string is 500Hz, and the speed of transverse waves in both wires is 125 m/s. How m..
An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 C and rejects heat to a room of temperature 25.0C. Assume that a mass 77.0kg of water at 0.0C is converted to ice at 0.0 C. How much heat is rejected to the room?
Capacitors are used in many applications where one needs to supply a short burst of relatively large current. Approximately what is the resistance of the lamp if the current reaches 5.0% of its original value in 1.1 ms
If the frequency is held constant at 1350 Hz and the length of the closed (at both ends) tube is increased from zero, sketch the tube showing this expansion of length and the position of the nodes and anti nodes for the first three resonances.
To throw the discus, the thrower holds it with a fully outstretched arm. Starting from rest, he begins to turn with a constant angular acceleration, what will be the speed of the discus at release
A steel wire with mass 29.7 g and length 1.52 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. Compute the linear density of the string
Two test charges are located in the x-y plane. If q1 = -2.30 nC and is located at x = 0.00 m, y = 1.040 m and the second test charge has magnitude of q2 = 4.00 nC and is located at x = 1.20 m, y = 0.750 m, calculate the x and y components
A black body at 7500K consists of an opening of diameter0.0500mm looking into an oven. Find the number of photons per second escaping the hole
A 1400 kg car has a maximum power output of 150 hp. How steep a hill can it climb at a constant speed of 74 km/h if the frictional forces add up to 700 N?
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