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a) A wire carrying a current of 2.10 A is bent into the shape of a square loop of side length 5.92 cm and is placed in the xy-plane. What is the torque on the wire loop if there is a uniform magnetic field of 0.165 T pointing in the +z direction?
b) What is the torque on the wire loop if the magnetic field instead points in the +x direction?
A 9.0 Kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m. A constant frictional force, introduced at point A, brings the block to rest at point B, 19 m to right of point A. What is the velocity of the box just be..
Use 9.81 for the magnitude of the acceleration due to gravity.
Two parallel plates of 0.5m high and 0.2m wide are a distance 0.25m apart. What is the Capacitance of the system. compute the Electric field
3 Mass points each of mass m are placed at the vertices of an equilateral triangle of side l. What is the gravitational feild and potential due to 3 masses
what is the force per meter on a lightning bolt at the equator that carries 20,000 amps perpendicular to the earths's 3.00 x 10^3 T field
50 g ball travelling at 25.0 m/s is bounced off a brick wall and rebounds at 22.0m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.51 ms, what is the average acceleration of the ball throughout this time inter..
What must be the mass m2 of the hanging block if it is to descend 11.0m in the first 3.00s after the system is released from rest
A point charge q1 = +7e is fixed at the origin of a rectangular coordinate system, and a point charge q2 = -10e is fixed at x = 7.1 nm, y = 0.
Objective questions based on work, energy, power.
A particle has a charge of +2.3 ?C and moves from point A to point B, a distance of 0.13 m. The particle experiences a constant electric force, and its motion is along the line of action of the force.
The camel walks at the uniform speed 4.53 km/hr along a straight line in the direction 39.7? north of East (only the camel knows why he chose that particular direction). Explain how long will it take the camel to cross the desert?
moves through its horizontal position at (B) and up to (C) where it stops with 2 = 109.0o, and then falls back down. Friction at the pivot is negligible. Compute the speed of the CM at (B).
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