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A circular wire loop of area 0.18m squared carries a current of 4 A. the coil lies in a horizontal plane with the current flowing in the counterclockwise direction when viewed from above. At this point the earth's magnetic field is 1.2x10^-4 T directed 60 degrees below the horizontal. What is the magnitude of the torque which acts on the loop?
Calculate the horizontal force that must be applied to create an acceleratrion of 1.8g for a 1.2kg puck on a horizontal friction-free air table.
q1. a chair of mass 14.0 kg lies atop a horizontal floor the floor is not frictionless. you push on the chair with a
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 345 N/C. At a distance r2 from the charge, the field has a magnitude of 120 N/C
You operate a small grain elevator near Champaign, Illinois. What is the power provided by the electric motor powering the bucket elevator when the bucket elevator ascends with a full load at a speed of 2.2 m/s
A ship at sea has its radio transmitting antenna at a 10 m height above the surface of the water. how far from the cliff must the ship be
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 2.10 cm
Josh starts his sled at the top of a 3.3m -high hill that has a constant slope of 25 ^\circ. How far from the base of the hill does he end up
A car starts from rest and accelerates at a rate of 2m/s^2 until it reaches the speed fo 30m/s. find number of revolution each wheel completes up to this point
A bullet with mass 5.18 g is fired horizontally into a 1.915-kg block attached to a horizontal spring. The spring has a constant 6.21 102 N/m, Find the initial speed of the bullet-block system
A high-speed drill reaches 2300rpm in 0.51s. What is the drill's angular acceleration
A long solenoid (cross-sectional area = 1.0 x 10-6 m2, number of turns per unit length = 2380 turns/m) is bent into a circular shape so it looks like a doughnut. Find the emf induced in the toroid
Given an angular velocity of 100rev/min, a mass of 10 kg, with radius .75, how does one find the maximum force
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