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Q1. Consider an infinitely large non-conducting sheet in the xy-plane with uniform charge density σ. Write down theexpression that defines the electric field everywhere inspace.
Q2. A thin spherical shell of radius 'a' has a charge +Qevenly distributed over its surface. Write down the expression thatdefines the electric field both inside and outside the shell.
A man walking on a tightrope carries a long a pole which has heavy items attached to the two ends. what difference would it make to his balance
If it takes 2.25 minutes to heat water in a 250 gm copper kettle from 20 °C to 85 °C, using a 700 W burner, how much water must be in the kettle
Assume you weigh 160 lbs on earth. How far away from earth's surface would you have to go so that your weight dropped to 40 lbs
A wheel has a constant angular acceleration (deceleration) of 5.0 rad/s^2. the wheel was initially moving at 15.0 rad/s, How many revolution will the wheel make in 4.0 s
a 6000 kg struck moving at 75 km/hr hits a stopped 3000kg car. they lock bumpers and skip to a stop. find the speed of the truck and car system
two flexible wires (massless) suspend a 10 cm-long conductor in the magnetic field with b = 4.2T. what is the current to let the wire just have zero tension
A long solenoid of 24 turns per cm carries a current of 16 A. How do you determine its direction
A potter's wheel having a radius 0.47 m and a moment of inertia 10.9 kg•m2 is rotating freely at 46 rev/min. The potter can stop the wheel in 7.0 s by pressing a wet rag against the rim and exerting a radically inward force of 68 N. Find out the effe..
water flows with a speed of 2.00 m/s through a horizontal 15 cm diameter pipe and is bent along the centerline of the pipe to face the oncoming flow. How high does the water rise in the tube
A fan is rotating at a rate of 710 rpm. When the motor is turned off, the blades slow to rest in 3.5 s. What is the angular acceleration of the blades as they slow down
You are standing 1.9m from a 130W- lightbulb. If the pupil of your eye is a circle 5.0mm in diameter, how much energy enters your eye per second
The turntable in a microwave oven has a moment of inertia of 0.06 kg meters squared and is rotating once every 4.01 s. What is its kinetic energy in Joules
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