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A current of 14.0 mA is maintained in a single circular loop of 3.80 m circumference. A magnetic field of 0.610 T is directed parallel to the plane of the loop. (a) Calculate the magnetic moment of the loop. Please have answer in mA · m2
Consider again the long wire near a small wire rectangle. The long wire is part of a circuit. The circuit is small enough that all the approximations we've used in class are good, but the wire near the rectangle is much longer than the rectangle. ..
Ship moving initially at 10.7 m/s due North, drifts due NE at the same speed. To correct the bearing, the captain accelerates the engine and turns the rudder NW. If the engines deliver a constant acceleration of 4.4 m/s2, how long will it take to a..
A 90° elbow is used to direct water (? = 1000 kg/m3) flow at a rate of 25 kg/s in a horizontal pipe upward. The di-ameter of the entire elbow is 10 cm. The elbow discharges water into the atmosphere, and thus the pressure at the exit is the local ..
A horizontal 5-cm diameter water jet with a velocity of 18 m/s impinges normally upon a vertical plate of mass 1000 kg. The plate rides on a nearly frictionless track and is initially stationary. When the jet strikes the place, the plate begins to..
A very large plane of charge is oriented horizontally and has a constant charge distribution over the plane. A small insulating ball has charge +8.78 nC and mass 0.076 g. If the levitates 2.62 cm beneath the plane, and remains stationary, what is the..
A tuning fork with a frequency if 536 Hz is placed near the top of a tube opened at one end and closed at the other end. The water level is lowered so that the length of the air column slowly increases from an initial value of 20.25cm. Determine the ..
If two adjacent natural frequencies of an organ pipe are determined to be 475 Hz and 575HZ. Calculate the fundamental frequency and the length of the pipe.
Two circular metal plates of radius 0.21 m and thickness 8.3 mm are used in a parallel plate capacitor. A gap of 3.9 mm is left between the plates, and half of the space (a semicircle) between the plates is filled with a dielectric for which ? = 10.9..
The fundamental frequency of an organ pipe corresponds to 262 HZ. The third resonance of a closed pipe has the same frequency. What are the lengths of the two pipes
An RL circuit with L = 3 H and an RC circuit with C = 5 µF have the same time constant, What is this common time constant
a rifle with a mass of 2.5 kg fires a bullet with a mass of 0.0045kg. the bullet moves with a muzzle velocity of 350m/s after the rifle is fired
An air puck of mass m1 = 0.24 kg is tied to a string and allowed to revolve in a circle of radius R = 1.0 m on a frictionless horizontal table. What is the horizontal force acting on the puck
1. Estimate the rate of speed (length per time) at which the hair on your head grows. Use your own experience as a guide for your answer. First express your estimate in inches per second and then in meters per second. Use scientific notation.
Two charged spherical conductors are connected by a long conducting wire, and a charge of 15 μC is placed on the combina- tion. One sphere has a radius of 4.05cm and the other a radius of 6.05cm.
A +6.00-ÂµC charge is moving with a speed of 8.80 104 m/s parallel to a very long, straight wire. Find the magnitude and direction of the force on the charge
If the accelerating plates are 1.60 apart, and have a potential difference of 2.60×10^4, what is the magnitude of the uniform electric field between them.
Four identical metallic objects carry the following charges: +5.4 µC, +5.4 µC, -7.0 µC, and -1.6 µC. What is the final charge on each object
You throw a 176 g ball straight up to a height of 37.0 m. Calculate the average force exerted by your hand while you are throwing it
A mass (3kg) on a string lies on a horizontal frictionless surface tied to a central point. How fast can the mass move around the circle without breaking the string
When a mass of 7.15 kg is attached to the spring, the spring stretches by 0.0105 m. Calculate the kinetic energy the mass possesses
New physics student having trouble with hw, not sure how to set this up or find the answer. Throw a ball straight up with an initial vel. of 18.5m/s. if ball is caught at the same height it was released, and then compute the max. Height achieved b..
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