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Hamad

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Calculate flux when a test charge is placed inside the rectangle.
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2. 110 views
A proton moves perpendicularly to a magnetic field that has a magnitude of 6.48 ´ 10^-2 T. A magnetic force of 7.16 ´ 10^-14 N
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2. 819 views
A ball of mass 1000g moving with 7m/s impinges another ball of twice its own mass and moving with 1/6th of its own velocity and
1. 1 answer
2. 530 views
A speeding motorcyclist is traveling at a constant speed of 31.1 m/s when he passes a police car parked on the side of the road.
1. 1 answer
2. 2,350 views
A package is dropped at time t=0 from a helicopter S that is descending steadily at a speed vi. (a) What is the speed of the
1. 2 answers
2. 5,594 views

Once
so the question asks to determine the extra work to stretch the string from 10 to 20 cm, so it's obvious that the extra amount of work is greater than the first work done, so we can do cross product when w1=4, x1=0.1m and when w2-4(which is w2-w1), x=0.2

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