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Discuss the types of energy transformations that are involved in the following devices or events. (For example, for (a) striking a match transforms the chemical energy in the match head into thermal (heat) and radiant (light) energy).
a. striking a match
b. windmill
c. microphone
d. flashlight
e. water behind a dam flowing past a turbine to generate electricity
Consider two (very) long, cylindrical rods, both of radius R. Rod A has a cylindrically symmetric, positive, Find that electric field E(r) as well
Rachel is on the roof of a building, h=15 memters above ground. She throws a heavy ball into the air with a speed v=2.6m/s at an angle 62 degree with respect to the horizontal. Find the speed of the ball when it hits the ground
Figure shows a portion of a C-clamp. What force F can be exerted by the screw if the maximum tensile stress in the clamp is to be limited to 30 ksi?
The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun... How many revolutions does the e..
A 2 centimeter tall object is located in front of a mirror. A 1 centimeter tall upright image is formed behind the mirror, 180 centimeter from the object. Evaluate the focal length of the mirror
An RLC series circuit has R = 935? , L = 18.0mH , and C = 250?F. If the circuit is connected to a 110V rms power source at the resonance frequency, what's the average power consumption
a motorcycle rider starts from rest and goes 3.75 rad counterclockwise around a circular track in 12.3 seconds.
An electron moves into a uniform magnetic field B = 0.182mT with initial speed with v = 12000m/s, What is the radius of the helical motion
When 2.1 mol of oxygen (O2)gas is heated at constant pressure starting at 0°C, how muchenergy must be added to the gas as heat to quadruple its volume? (The molecules rotate but donot oscillate.)
How many moles of Argon gas does the Carnot engine contain? If the gas occupies a volume of 0.001 m3 at point A, what it is the pressure at that point?
The difference in piezometric pressure, pz,A – pz,B. Express both answers in kPa and pressure differences pA - pB.
A length L of wire carries a current i. Find the expression for the maximum torque
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