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A coil of 7- turns and radius 6.0 cm surrounds a long solenoid of radius 2.00cm and 800-turns /meter. The current in the solenoid changes from 0.0A to 1.5 A in 0.4 seconds. Find the induced emf in the 7-turn coil.
A 44 kg woman in an elevator is accelerating upward at a rate of 1.0 m/s2. What is the net force acting upon the woman
An automobile weighing 1.80×104 N is moving with an initial speed of 64.0 km/hr along a flat highway. What is the time required to stop the automobile in the previous problem
A water pipe having a 2.55 cm inside diameter carries water into the basement of a house at a speed of 0.760 m/s and a pressure of 237 kPa. If the pipe tapers to 1.56 cm and rises to the second floor 6.04 m above the input point, what are the (a) spe..
Water flowing through a garden hose of diameter2.70cm fills a20.0-L bucket in1.30min. What is the speed of the water leaving the end of the hose
A cord is wrapped around the rim of a wheel 0.310 m in radius, and a steady pull of37.0 N is exerted on the cord. Compute the angular acceleration of the wheel
A projectile fired from a gun has initial horizontal and vertical components of velocity equal to 30 m/s and 40 m/s, respectively. At what angle is the projectile fired
Determine the angle such that an equal force is developed in legs OB and OC. What is the force in each leg if the force is directed along the axis of each leg? The force F lies in the plane. The supports at A, B, C can exert forces in either direc..
Two astronauts on opposite ends of a space ship are comparing lunches. One has an apple, the other has an orange. They decide to trade. Find the final speed and direction of the apple
An 18mm wide diffraction grating has rulings of 390 lines per mm. monochromatic light of 487 nm wavelength is incident generally on the grating. At what angle away from the normal (where the central maximum of the diffraction pattern occurs) is the n..
An emf is induced by rotating a 1000 turn, 20.0 cm diameter coil in the earth's 5.15 x 10-5 T magnetic field. What average emf is induced, given the plane of the coil is originally perpendicular to the earth's field and is rotated to be parallel to..
An electron is accelerated from rest by a potential difference of 387 V. It then enters a uniform magnetic field of magnitude 161 mT with its velocity perpendicular to the field. Compute (a) the radius of its path in the magnetic field and (b) the sp..
at the 18th green of the u. s. open you need to make a 20.5ft putt to win the tournament. when you hit the ball giving
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