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Q. A photon with a wavelength 4.40 scatters from an electron initially at rest. Find the wavelength of the scattered photon when the scattered electron has its maximum kinetic energy. Kmax = 2.37*20^-14.
Q. An electrical generating plant operates at a boiler temperature of 220^{circ}C and exhausts the unused heat into a nearby river at 19^{circ}C. If the generating plant has a power output of 800 megawatts (MW) and if the actual efficiency is 3/4 the theoretical efficiency, how much heat per second must be delivered to the boiler? (0^{circ}C = 273 K).
A 9 turn coil 1.80 in diameter is rotated at 11 about an axis perpendicular to a uniform magnetic field. A voltmeter connected to the coil through rotating contacts reads a peak value of 340.
Compute average magnetic flux through turn of inner solenoid
Assume that ABC Firm has an optimal capital structure; comprised of debt, preferred stock and common equity. In this scenario, Firm currently has 48 percent debt, 4 percent preferred stock and 57 percent common equity in its capital structure.
A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30. At 10.0 after blastoff, the engines suddenly fail, which means that force they produce instantly stops.
Find out the vertical component of the reaction force
The wind blows with a force of 425N north on a sail boat, while the water exerts a force of 325N west on the sailboat. Find out the magnitude and direction of the net external force on the sailboat.
A 14 g bullet travelling at 247 m/s is fired into a 0.459 kg wooden block anchored to a 100 N/m spring. How far is a spring compressed to the nearest thousandth of meter.
A ballplayer catches a ball 2.75 seconds after throwing it vertically upward. With what speed did he throw it? Calculate the final & resultant velocity and acceleration.
Find the total work done on the car
How many wavelengths are there in one pulse
The sodium D line is a doublet consisting of two wavelengths, 588.995 and 589.592 nm. Calculate the angular separation between these two lines in the first-order spectrum for a grating with 4000 lines per centimeter. Repeat for the second order.
As part of the safety investigation, two 1400 {rm kg} cars travelling at 23 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.7 {rm s} to stop, and (b) car that hits..
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