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Consider a region of space with volume 99 mm3. Suppose the energy stored in the electric field of that particular region of space is 65 J. What is the average electric field strength in this region?
Two non conservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. What is the transform in the car's kinetic energy, ΔKE = KEf - KE0, from A to B.
An observer on the ground watches the boy throw the can and catch it. In this observer's ground frame of reference, explain the shape of can's path and determine the initial velocity of the can.
A high diver of mass 65kg jumps off a board 10m above the water. If her downward motion is stopped 1.70 s after she enters the water, what average force did the water exert on her.
A 72 kg man stands on a spring scale in an elevator. Starting from rest, elevator ascends, attaining its maximum speed of 1.20 m/s in 0.80 s.
What is the amplitude of the subsequent oscillations. A catcher "gives" with a baseball when catching it. If the baseball exerts a force of 519 N on the glove, so that the glove is displaced 10.0 cm, how much work is done by the ball.
The spring of the pressure gauge shown in has a force constant of 1 400N/m, and the piston has a diameter of 1.60cm. When the gauge is lowered into water in a lake, what change in depth causes piston to move in by 0.850cm.
The potential at location A is 376V. A positively charged particle is released there from rest and arrives at location B with a speed vB.
If the arm is 5.50-m long and pivots about one end, at what angular speed (in rpm) should it spin so that the acceleration of the lander is the equal as acceleration because of gravity at the surface of Europa? The mass of Europa is 4.8 times 10^ ..
The amplitude of the electric field of an electromagnetic wave is 197 V/m.
What temperature change would cause a 0.10 percent increase in the volume of a quantity of water that was initially at 20 degrees celsius.
Physics: Standing Waves, Second Harmonic, Two pieces of steel wire with identical cross-sections have lengths of L and 2L. Each of the wires is fixed at both ends and stretched so that the tension in the longer wire is three times greater than tha..
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
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