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Compute each part of given question:
Question: A 300 ohm resistor is connected to a variable-voltage power supply.
Part A: What voltage is necessary to cause a current of 0.8 A in the resistor?
Part B: What current flows in the resistor when the voltage is 23v?
Having trouble with this physics question, can you please explain with the answer.
A 75 human sprinter can accelerate from rest to 10 in 3.5 . During the same interval, a 34 greyhound can accelerate from rest to 17, evaluate the average power output for each
What is the radiation pressure (force/area) of a laser pointer on a heavy, highly absorbing surface? Assume that the laser has an output power of 1mW, a wavelength of 600nm, and a beam radi- us of 1mm. To do this problem, first compute the number ..
If the plant produces electric energy at the rate of 1.3GW , how much exhaust heat is discharged per hour
A 5.0 kg crate is transferred to a lower level by means of an 8 m long frictionless slide. What is the crates velocity at the bottom of the slide
A negative charge of -2.0 multiplied by 10-4 C and a positive charge of 9.5 multiplied by 10-4 C are divided by 0.30 m. What is the force between the two charges.
question spring stretches by 0.0186 m when a 3.24-kg object is suspended from its end. how much mass should be attached
Two circular current loops are located at z = +R/2 and z = ?R/2, parallel to the xy-plane and centered at the z-axis. Derive a formula for the magnetic field at an arbitrary point on the z-axis. Note by symmetry that B(x) = Bz(z) k
during the first stage of its launch a space shuttle goes from rest to 4973kmh while rising a vertical distance of
A hydrolic lift (starting with both pistons at the same height) isused to jack a 970kg car 12cm off the floor in steps. The diameterof the output (lift) piston is 18cm and the input force is250N.
The circumference of the moon's orbit around the earth is 2.415275282*106km. Calculate the average orbital speed in m/s of the moon
Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. How far does the top surface move relative to the bottom surface
Tension is maintained in a string. The observed wave speed is 25 m/s when the suspended mass is 3.0 kg. (a) What is the mass per unit length of the string?
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