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Use the following to answer question 1-3:
A positive total charge Q is distributed on a conducting spherical shell (shaded area) with inner radius R1 and outer radius R2. A Particle with charge q is placed at the center of the cavity. Here, q=2.00 μC, Q = 8.50 μC, R1 = 4.00 cm, and R2 = 7.00 cm.
What is the electric field at a point in the cavity, a distance r = 1.50 cm from the center?
What is the electric potential at r = 5.00 cm from the center?
Find the potential at r = 1.50 cm from the center.
An object falls from a height h from rest. If it travels a fraction of the total height of 0.6995 in the last 1.00 s, Find the height of its fall
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A person stretches a rope of length 55 m between the top of a building to the base of a tree d = 23 m away. How tall is the building.
A mechanism is shown in the following figure. Link ABC has an arc slot with a radius of R =100mm . The center of the arc O1 is on the line BC. The crank OA has a length of 100 mm. It rotates about point O with a constant angular velocity of ω =4 r..
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