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A single-turn square loop of wire, 2.00 cm on each edge, carries a clockwise current of 0.170 A. The loop is inside a solenoid, with the plane of the loop perpendicular to the magnetic field of the solenoid. The solenoid has 30.0 turns/cm and carries a clockwise current of 15.0 A.
(a) Find the force on each side of the loop.
magnitude µN direction
(b) Find the magnitude of the torque acting on the loop.
N · m
A revolving door consists of four rectangular glass slabs,with the long end of each attached to a pole that acts as the rotation axis. Find the rotational inertia of the entire door
An object suspended from a spring vibrates with simple harmonic motion. At an instant when the displacement of the object is equal to one-half the amplitude, what fraction of the total energy of the system is kinetic
A 0.5 kg cart is pushed by a force of 6.2 N for a total distance of 3.2 m. what would the velocity of the cart be when the force stops
An ambulance is generating a siren sound at a frequency of 2,000 Hz. The velocity of sound is 345.0 m/s. what is the frequency of the siren perceived by the observer
A device used in radiation therapy for cancer contains 0.29 g of cobalt-60 (59.933 819 u). Determine the activity (in Bq) of the radioactive material
The tallest spot on Earth is Mt. Everest, which is 8857 m above sea level. If the radius of the Earth to sea level is 6369 km, how much does the magnitude of g change between sea level and the top of Mt. Everest
A car with mass 1000kg traveling east at 25 (m/s) runs straight into a truck with mass 1500kg traveling west at 10 (m/s). How far do the vehicles slide
What is the frequency of sound put out by the engine of a car moving at 90km/hr if its four-cylinder engine makes 2000 revolutions per kilometer
A merry-go-round starts from rest and accelerates uniformly over 23.5 s to a final angular velocity of 6.25 rev/min. Find the person's maximum radial acceleration
The m=1 bright fringe is located 2.0 cm from the centerline. The interference pattern is observed on a screen located 4.0 m from the slits. What is the separation between the slits
A ball is thrown vertically upward, starting at y = 0, with a velocity of 20.0 m/s. Take "up" to be the positive direction for this problem. Calculate the maximum vertical displacement of the ball
How long does it take for the grinding wheel to stop ? Through how many radians has the wheel turned during the interval found in.
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