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A charge of 38 μC is distributed evenly over a sheet of area 3.3m2 positioned on the y-z plane.
a) Calculate the charge density on the sheet.
b) Find the magnitude and direction of the electric field in the region x >0.
c) Find the magnitude and direction of the electric field in the region x< 0.
Consider a uniformly solid hemisphere of radius R and mass M. Determine the center of mass. Determine the principal axes and principal moments of inertia.
Assume equal amounts of energy are transferred by heat into equal-mass liquid samples of alcohol and water in separate insulated containers. How much will the alcohol rise in temperature
A sledge loaded with bricks has a total mass of 17.2 kg and is pulled at constant speed by a rope inclined at 20.3° above the horizontal. What is the mechanical energy lost due to friction
A 44.0 kg child is in a swing that is attached to ropes 1.60 m long. The acceleration of gravity is 9.81 m/s2. Find the gravitational potential energy associated with the child relative to the child's lowest position under the following conditions.
A car moving at 35 m/s approaches a stationary whistle that emits a 220Hz sound. The speed of sound is 343m/s. What is the frequency of sound heard by the driver of the car
Ethyl alcohol flows through a horizontal tube of diameter 3.00 cm that is joined to a second horizontal tube of diameter 1.62 cm. What is the speed of flow in the first tube
Tarzan is in the path of a pack of stampeding elephants when Jane swings in to the rescue on a rope vine, hauling him off to safety. The length of the vine 25 m, and Jane starts her swing by the rope horizontal. If Jane's mass is 54kg, and Tarzan's..
A 2000 kg car is traveling at 15.0 m/s down a long mountain grade of 2.0%. The mountain road is 5.0 km long. What is the increase in the temperature of the brakes
question a 43-kg girl is bouncing on a trampoline. during a certain interval after leaving the surface of the
The wavelength of the laser beam used in a compact disc player is 510 nm. Estimate the spacing between the slits of the grating
A ladder of unknown length and mass of 29.00 kg rests on a rough floor, and leans against a rough wall. The coefficient of static friction between the ladder and both the floor and wall are 0.68.
An object that is moving rightward is acted upon by the force shown. what is the work done on the object by the force
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