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Question1
An object floats with half its volume beneath the surface of the water. The weight of the displaced water is 2000 N. What is weight of the object?
A) 1000 N
B) 2000 N
C) 4000 N
D) Impossible to decide without more information
Question2
1.A long cylinder carries a charge density that is proportional to the distance from the axis p=kr, for some constant k. find the electric field inside this cylinder
2. Find out the magnetic induction at a point p along the axis of a closely wound circular coil of N turns and a distant y from the plane of the coil.
3. A charge is distributed consistently along a straight line of finite length 2l.show that for two external points near the midpoint, such that r1 and r2 are small compared to the potential v is the same as for an infinite line charge.
An object is placed 130 cm in front of a converging lens of focal length 16 cm. What is the distance to the image
Four charges are arranged in a rectangle with a length of 21 cm, and width of 15 cm. The charge on the top left corner is 4nC, the charge on top right corner is -3nC, the bottom right corner has a charge of 6nC, and the bottom left corner has a ch..
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If the ball is released from rest at a height of 0.78m above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? suppose the ball is a solid sphere of radius 2.3cm and mass 0.14k..
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Two men decide to use their cars to pull a truck stuck in mud. What is the net forward force exerted on the truck in the direction it is headed
The area of the opening can be calculated from pi (3.1416) times the radius squared. If your pupil is open to a radius of 3.5 mm, explain how much light energy passes through in one minute? Give your answer in mJ.
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