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Q. An ion accelerated through 180.00 V has its potential energy decreased by potential energy of 5.76 10-17 J. Calculate the (magnitude of the) charge on the ion.
Q. A uniform electric field of magnitude 445 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.10 cm.
What is the work done by the field on the electron?
A 54 N crate is suspended from the left end of a plank. The plank weighs 21N, but it is not uniform, so its center of gravity does not lie halfway between the two ends. The system is balanced by a support that is 0.3m from the left end of the plan..
A diver is planning to salvage a Spanish galleon located in 200 feet of water. He plans to use a diving suit that will be supplied with air from a hose. Calculate which compressor should be bought by the diver for the given condition
Which state is best illustrates kinetic friction
what is the acceleration of the wallet. If the contact between ball and ground lasted 1.6ms, what average force was exerted on ball.
What's the result when we grow up InGaN on the substrat by MBE I want a (pdf) discruption or I want to talk to any one who knew that's result.
If the string is 9.5 m long, has a mass of 45 g and is pulled taut with the tension of 8.0 N, how much time does it take for a wave to travel from one end of the string to the other.
A cement block accidentally falls from rest from the ledge of a 74.8-m-high building. When the block is 18.4 m above the ground, a man, 2.10 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have ..
A trombone has an effective length of 160 cm and the speed of sound in air is 345 m/s. Notes are selected by moving a U-shaped tube in or out to change effective length of the trombone.
The speed of sound in air is 332 m/s at 0°C. It increased 0.60 m/s for each degree above zero. compute the speed of sound at the temperature of the room.
What should the charge (sign and magnitude) of a particle of mass 1.49g be for it to remain stationary when placed in a downward-directed electric field of magnitude 700 N/C.
A small object with a mass of 333 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of the parallel-plate capacitor. The plates are separated by 2cm.
A 2.20 sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as heart beats. The reflected sound is after that mixed with the transmitted so..
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