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Two parallel wires, each of length 1m, are separated by 2 cm, and carry current in opposite directions. Wire A is 10 Amps upwards and wire B is 5 Amps downwards. Find the force on wire B due to wire A in Newtons.
A 110kg clock initially at rest on a horizontal floor requires a 607N horizontal force to set it in motion. After the clock is in motion, horizontal force of 525 N keeps it moving with a constant velocity.
A simple pendulum is made from a 0.63 mlong string and a small ball attached to its free end. The ball ispulled to one side through a small angle and then released fromrest. After the ball is released, how much time elapses before it attains its grea..
A person driving her car at 48 km/h approaches an intersection just as the traffic light turns yellow. The yellow light lasts only 2.0 s before turning to red, how far will she travel before stopping
The distance between the eyepiece and the objective lens in a certain compound microscope is 18.4 cm. The focal length of the objective is 0.600cm, and that of the eyepiece is 1.80 cm. discover the overall magnification of the microscope.
Consider a system of two Einstein solids, A and B, each containing 10 oscillators, sharing a total of 20 units of energy. Assume that the solids are weakly coupled, and that the total energy is fixed.
Light of wavelength 5.00*102 nm illuminates a pair of slitsseparated by 0.280 mm. If a screen isplaced 2.10 m from the slits, determine the distance between the first and second dark fringes.
A 6-kg stone is tied to a 0.79-m long string and swung around a circle at a constant angular velocity of 19 rad/s
A newly discovered particle, the SPARTYON, has a mass 455 times that of an electron. What is the frequency of each of the emitted photons
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
A 34 g bullet travelling at 120m/s embeds itself in awooden block on a smooth surface. The block then slides toward aspring and collides with it. Calculate the mass of the block of wood
A small ball rolls horizontally off the edge of a tabletop of height h. It strikes the floor a distance x horizontally away from the edge of the table, What is its speed at the instant it leaves the table
Imagine that we add 250 J of thermal energy to 1 liter (L)(1000cm^3) of air initially at room temperature and normal pressure. By how much does its pressure increase
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