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A copper plate, with dimensions of 3 cm x 3 cm x 5cm length, width, and thickness respectively, is exposed to a thermal energy source that puts out 150 J every second. The density of copper is 8900 kg/m3. Assuming no heat loss to the surrounding block, determine the temperature rise in the plate after 10 seconds.
A 24-inch pipeline branches into a 12-inch and an 18-inch pipe, each of which is 1 mile long, and they re-join back into a 24-inch pipe. If the flow rate is 30 CFS in the main pipe
The magnetic field due to a 2-A current flowing in a long, straight wire is 8 %u03BCT at a point P, a certain distanceaway from the wire
how much water horsepower is required to pump 380 gpm against a total head of 420 feet. If the efficiency in the above problem is 85 percent and the pump efficiency is 80 percent. Calculate the required horsepower.
a 1.99 kg block slides on a rough, horizonatl surface. The block hits a spring with a speed 2.16 m/s, what is the force constant of the spring
A circular conducting loop with a radius of 0.30 m and a small gap filled with a 10.0 ohm resistor is oriented in the xy-plane. what is the magnitude of the current that will be caused to flow in the conductor
PUBP720: Managerial Economics - Make the first order partial derivatives of the Lagrangian and set them to 0 - What is the slope of the budget line? Does the slope of the budget line depend on consumer preferences? Why or why not?
An energy efficiency project has a first cost of $300,000, A life of 10 years, and no salvage value. Assume that the interest rate is 9%. The most likely value for annual savings is $60,000.
A father racing his son has two-fifths the kinetic energy of the son, who has three-fifths the mass of the father. The father speeds up by 1.0 m/s, What is the original speed of the son
Examine the sample code you have been provided with. This code is for a simple Car Hire management system. It contains a number of classes.
A fire hydrant is supplied through a 6 inch cast iron pipe of 16,000 feet length. The total drop in pressure is limited to 35 psi. What is the discharge through the pipe for a water temperature of 80°F ((kinematic viscosity) = 0.93 × 10-5 ft2/sec)
Two capacitors, C1 = 4.00 µF and C2 = 13.0 µF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. Find the equivalent capacitance of the combination
A square solenoid of length 6.82 cm has 212 turns and carries a current of 10.8 A. The sides of the solenoid measure 2.06 cm. find the magnetic flux through the cross-sectional area of the solenoid
A 33.4 cm focal-length converging lens is 24.8 cm behind a diverging lens. Parallel light strikes the diverging lens. What is the focal length of the diverging lens
A 22 child slides down a 2.4 -high playground slide. She starts from rest, and her speed at the bottom is 1.9 What is the change in thermal energy of the seat of her pants?
Two charged spheres are 15 cm apart. They are moved, and the force on each of them is found to have been quadrupled. How far apart are they now.
Find the rms speed and the average kinetic energy of a hydrogen atom at a temperature of 3.4x107 K. (At this temperature (3.4 x10^7)
A spherical drop of water carrying a charge of 11 pC has a potential of 590 V at its surface (with V = 0 at infinity). What is the radius of the drop
An elevator and its load have a combined mass of 1450 kg, Find the tension in the supporting cable when the elevator, originally moving downward at 11 m/s
An elevator has a downward acceleration of 1 m/s2. A person, having a weight of 800 N as measured by a scale at rest on the ground, steps on a scale in the elevator. What does the scale read? A) 0 N. B) Approximately 80 N. C) Between 80 N and 800 ..
Examine that, for gold, the volume of water displaced will be 51.8 cubic centimeters.
consider the bohr model of the one ecectron atom Be+3, calculate the radius,in nm,of ground state orbital
Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle ?. Find the angle of the banked curve
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