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The dielectric strength of air is 3.0x106 V/m, and that of neoprene rubber is 1.2x107 V/m. A certainair-gap, parallel-plate capacitor can store no more than 0.060 J of electrical energy before breaking down. How much energy can this capacitor store without breaking down after the gap between its plates is filled with neoprene rubber? Take the dielectric constantof air to be 1.00054, and of neoprene rubber to be 6.7.
the current in a 30 meter wide river is 3 m/s towards the north. If you need to move straight across the river, how far downstream do you reach the shore
question once ignited a small rocket motor on a space craft exerts a constant force of 10 n for 7.80 s. during the burn
A toroidal solenoid has a mean radius of 18.0 cm and a cross-sectional area of 4.00 cm^2 and is wound uniformly with 115 turns. What is the mutual inductance (M) of these coils
A football quarterback is moving straight backward at a speed of 2.0 m/s when he throws a pass to a player 20.0 m straight downfield. How long does it take to get to the receiver
A car is going with a constant speed of 15 m/s (about 34 mph) in a school-crossing corner, where the speed limit is 10 m/s (about 22 mph). What is the distance traveled at that point
On a frozen pond, a 13.1 kg sled is given a kick that imparts to it an initial speed of v0 = 2.42 m/s. find the distance the sled moves before coming to rest
A Carnot engine operates between 245°C and 135°C, absorbing 6.30 104 Jper cycle at the higher temperature. How much work per cycle is this engine capable of performing
Ray decides to paint the outside of his uncle's house. He uses a 4.0-m-long board supported by cables at each end to paint the second floor. find the force that the left cable exerts on the board
A 2.3 box, starting from rest, is pushed up a ramp by a 10 force parallel to the ramp. The ramp is 2.0long and tilted at 17 . The speed of the box at the top of the ramp is 0.80 .
A steel cable with total length 20m and mass 100kg is connected to two poles. The tension in the cable is 2,000N, and the wind makes the cable vibrate with a frequency of 2Hz. Calculate the wavelength of the resulting wave on the cable.
A 1.0 kg ball is at rest on the floor in a 2.0 m x 2.0 m x 2.0m room of air at STP. Air is 80% nitrogen (N2) and 20%oxygen (O2) by volume. what is the thermal energy of the air in the room
Determine the tension in each string
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