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Two equal point charges (q = +4.50 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.390 meter. A test charge (q0 = -9.50 x 10-8 C), with a mass of 7.90 x 10-8 kilogram, is released from rest at one of the corners of the square. Find the speed of the test charge when it reaches the center of square.
An object initially at rest explodes and splits into three fragments. The first fragment flies off to the west, and the second fragment flies off south. The third fragment will fly off toward a general direction of (1) north of east, (2) southwest (3..
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +7q, What is the ratio of the final charge on sphere C to q, What is the ratio of the final total charge on the three spheres to q
A cylinder is rotating about an axis that passes through the center of each circular end piece. Obtain the magnitude of the force of friction applied by the brake shoe
find the maximum distance she can be from the craft and still return within 2.30 min (the amount of time the air in her helmet remains breathable).
Two particles with Q1 = 46 µC and Q2 = 87 µC are initially separated by a distance of 2.8 m and then brought closer together therefore that the final separation is 1.4 m. What is the change in the electric potential energy?
A spherical concave lens has a focal length of 20cm, and an object is placed 15cm from the lens. estimate of the image distance and give image characteristics
Two conductors having net charges of +15.0 µC and -15.0 µC have a potential difference of 15.0 V between them, obtain the capacitance of the system
Superman attempts to drink water through a very long straw.With his great strength he achieves maximum possible suction. Find the maximum height through which he can lift the water
A certain raft is 2.5 m long, 0.55 m wide, and 14 cm deep. If the raft itself has a mass of 15.6 kg, what is the maximum mass it can support in fresh water
A beach ball with a mass of 0.5 kilogram is dropped from rest from the top of a lifeguard tower that is 5 m tall. Determine how much work is done by the force of air resistance on the beach ball as it falls to the ground
Find the angular speed about the polar axis, as well as the translational speed and acceleration of a point on the earth’s surface at alatitude of 45°N.
Two rocks are thrown off the edge of a cliff that is 15.0 m above the ground. The first rock is thrown upward, at a velocity of +12.0 m/s. The second is thrown downward, at a velocity of 12.0 m/s.
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