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Solve the given questions:
Question I: A long horizontal wire carries 13.0 A of current due north. What is the magnitude of the net magnetic field 19.9 cm due west of the wire if the Earth's field there points downward, 40.0° below the horizontal, and has magnitude 4.74E-5 T?
Question II: Calculate the angle relative to the horizontal with up as the positive direction.
Explain your answers please for best answer for above questions! Thanks.
A cyclist turns her bicycle upside down to repair it. She then notices that the front wheel is executing slow, small amplitude, back-and-forth rotational motion with period 12s. Treating the wheel as a thin ring of radius 30 cm and mass 600 g, whose ..
A ladder is leaning against a vertical wall. Determine the maximum angle with the vertical the ladder can make without falling on the ground
A car battery with a 12 V emf and an internal resistance of 0.040 is being charged with a current of 45 A. Find the potential difference V across its terminals
if the magnetic field caused by a magnet is b15 webersmeters squared and the field lines normally go through a gaussian
Starting from rest, a 10.00 kg piece of luggage slides 6.00 m down a rough 30. degree incline. Calculate the force of friction acting on the suitcase on the incline plane
A load of bricks with mass = 16.0 hangs from one end of a rope that passes over a small, frictionless pulley. What is the tension in the rope while the load is moving
you are told that an object has zero acceleration. two forces on the object are f 3.2n at 80 below the x-axis and f
A convex mirror, like the passenger-side rearview mirror on a car, has a focal length of -2.3m. An object is 4.6m from the mirror. Use ray tracing to determine the location of its image
A ball leaves a table with an initial horizontal velocity of 2.4 m/s. The height of the table is adjustable. What is the horizontal distance between the two landing locations of the ball
A projectile is launched from a cannon at ground level at an angle of 62.0 degrees elevation and has a muzzle velocity of 481 m/s. Explain how many seconds after it is fired does it reach max height?
During a running long jump, an athlete runs with a speed of 9 m/s horizontally and, upon take off, how far will the athlete jump
A diver springs vertically upwards from a 4.5-m board with an initial speed of 4.2 m/s. What is the maximum height that she reaches above the water
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