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A proposed solar collector installation has a frontal area (exposed to the sun) of 50.0 m2 and combines a thermoelectric generator with the air heating system of a building. The thermoelectric generator produces dc power with an efficiency of 5.00%. Solar radiation provides a net heat transfer rate to the absorber plate of 1000. W/m2. The incoming air is at 18.0°C, and to obtain “good” operating efficiency, the exit air temperature must be maintained at 30.0°C. (Helpful Hint/Note: The solar generator power output depends on heat transfer rate, area exposed to the sun, and its efficiency. Use the MERB equation and note no work transport occurs)
If 43.8 cm of copper wire (diameter = 1.02 mm, resistivity = 1.69 x 10-8?·m) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at the constant rate of 8.38 mT/s
When its coil rotates at a frequency of 258 Hz, a certain generator has a peak emf of 72 V. What is the peak emf of the generator
Assume that light of a single color, rather than white light, passes through two slits 0.50 mm apart, determine the light's wavelength
A 1.50-kg iron horseshoe initially at 670°C is dropped into a bucket containing 22.0 kg of water at 26.0°C. What is the final temperature of the water–horseshoe system? Ignore the heat capacity of the container and assume a negligible amount of water..
Two frictionless carts are pulled (horizontally to the left) by a force of F1=24N. m1=2.0kg and m2=4.0kg, find the tension in the connecting cord
A 25.0-kg box is released from rest on a rough inclined plane tilted at an angle of 33.5e to the horizontal. Determine the force of kinetic friction acting on the box
Two resistanceless rails rest 37 cm apart on a 4.0 degree ramp. They are joined at the bottom by a 0.55 ohm resistor. What is the terminal (steady) velocity of the bar
1. - discuss the transient and steady states of a dc circuits response to a step input.2. -what components must be
Three charges are at the corners of an isosceles triangle, Calculate the amount of work required to assemble this system of charges, assuming they are brought in from infinity
A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. How much of the rope unwinds in this time interval
In a head-on collision, a car stops in 0.15s from a speed of 19m/s. What force is applied to the driver by his seat belt during that fraction of a second
A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Find the translational speed at the top
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