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A horizontal wire is hung from the ceiling of a room by twomassless strings. The wire has a length of 0.14m and a mass of 0.006 kg. A uniformmagnetic field of magnitude 0.080 T isdirected from the ceiling to the floor. When a currentof I = 23 A exists in thewire, the wire swings upward and, at equilibrium, makes anangle φ with respect to the vertical, asthe drawing shows. Find (a) the angleand (b) the tension in each of the two strings.
A bullet shot straight up into the air returns to it's starting point in 10 seconds. What is the initial speed of the bullet
A camera has a lens with a focal length of 25.6 cm. how far from the film should the lens be placed
A thin disk of uniform density, mass 5kg and radius :25m, rests on a frictionless table. Find the linear and angular speed of the disk clay system
A dead battery is charged by connecting it to the live battery of another car with jumper cables. Determine the current in the dead battery
what are the currents that the block can carry
A Cadillac of mass2240 kg going east collides with a Geo of mass1250 kg headed north at 25 km/h on a level highway. How fast was the Cadillac moving before the collision
A stunt pilot with mass of 80 kg performs a vertical circular dive of radius 800 m. What forces are acting on the pilot
A 8.7 kg freight car is coasting at a speed of 38.8 m/s along a straight track when it strikes a 13.5 kg stationary freight car and couples to it. What will be their combined speed after impact
A 890kg sports car collides into the rear end of a 2500kg SUV stopped at a red light. The bumpers lock, calculates the speed of the sports car at impact
A rectangular block of ice 9.00m on each side and 1.6 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3.
A rectangular shape ferry boat is 4.77 m wide and 6.77 m long. When a large loaded truck pulls onto it, it sinks 3.65 cm deeper into the water. What is the weight of the truck
A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.60 s later. Find the depth of the well if the air temperature is 12.0°C
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