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A component of the external magnetic field parallel to the central axis of a coil with 50 turns and radius 5.0 cm increases from 0 Tesla to 1.2 Tesla in 5.5 seconds.
(a) If the resistance of the coil is 4.7 Ohm, what is the magnitude of the induced current of the coil?
(b) What is the direction of the current if the axial component of the field points away from the viewer?
A student yells across a street at a concrete wall. The student hears an echo 0.500 seconds later. If the speed of sound in air is 343 m/s, what is distance from the student to the wall only.
The equation of a transverse wave traveling in a rope is given by y=60 sin(pi/2) (0.0050x - 8.0t - 0.57), Write down the equation of a wave that, when added to the given one, would produce standing waves on the rope having a node at x = 0
A 0.1 T magnetic field points to the east. What is the force on 5 meters of wire carrying 2A of current at a 45 degree angle to the magnetic field
q1. a 60 kg circus performer jumps from a 6.2 m height onto a trampoline and stretches it downward 0.36 m. assume that
A child slides down a slide with the 29 degree incline, and at the bottom her speed is precisely half of what it would have been if the slide had been frictionless. Compute the coefficient of sliding between the child and the slide.
A group of particles is traveling in a magnetic field of unknown magnitude and direction. You observe that a proton moving at 1.50 in the -direction experiences a force of 2.10×10?16 in the -direction, What is the direction of this the magnetic for..
An electric motor can accelerate a Ferris wheel of moment of inertia I = 19500 kg·m2 from rest to 9.4 rev/min in 12.0 s, Determine the torque generated by the motor to bring the wheel to 9.4 rev/min
In 1971, Apollo 14 astronaut Alan Shepard hit two golf balls while on the Moon. The first one rolled 40 yards into a nearby crater, Is the second ball still on the moon
Consider an electron being ejected from the surface of a heated filament at nearly zero speed. Through what potential difference must it be accelerated to achieve a speed of 8.4x10^6 m/s? Any relativistic effects can be neglected.
The induced electric field 15 from the axis of a solenoid with a 10 radius is 46. Find the rate of change of the solenoid's magnetic field
If the density of water at 0 degC is taken as 10% than that of ice, what is the slope of the melting curve of ice at this temperature (give boyh magnitude and sign)
a 10g block with a charge of 810-5 c is placed in an electric field e 3000i-600j nc what are the magnitude and
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