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A rectangular loop of width a and length b is located near a long wire carrying a current I (Fig. 30.22). The distance between the wire and the closest side of the loop is c. The wire is parallel to the long side of the loop. Find the total magnetic flux through the loop due to the current in the wire.
Two firecrackers explode at the same place in a laboratory and are separated by a time of 3 years as measured on the laboratory clock.
In a playground, a wooden horse is attached to the ground by a stiff spring. When a 24 kilogram boy sits on the horse, the spring compresses by 28 centimeter. Find the oscillation frequency of the spring
The light energy that falls on a square meter of ground over the course of a typical sunny day is about 20 MJ. The average rate of electric energy consumption in one house is 1.0 kW. Find the energy consumption and area required by the solar cell
If the magnitude of an electric field in air is as great as 3.00×106 N/C, the air becomes ionized and begins to conduct electricity. This phenomenon is called dielectric breakdown. A charge of 29.6 C is to be placed on a conducting sphere. What is th..
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 8 m/s2 up to his top speed of 17 m/s (38 mi/h) and sustain that s..
A ray of light is incident on the surface of a block of clear ice at an angle of 34.0° with the normal, Find the angle between the reflected and refracted light.
Two circular disks spaced 0.50 mm apart form a parallel-plate capacitor. Transferring 1.70 x 10^9 electrons from one disk to the other causes the electric field strength to be 2.60 x 10^5 N/C. What are the daimeters of the disk?
A pipe is opened at both ends. Its length is 22.81cm. If i excite standing waves in the pipe by blowing air over one of its ends, I hear a pitch of 712.5 Hz. a) find the distance between the antinodes at the two ends of the pipe.
You decide to move your desk so your back is not facing the door. As you begin to move your desk, What is the coefficient of friction between the desk and the floor
a 2.90 x 10 2 n force is pulling an 75.0-kg refrigerator across a horizontal surface. the force acts at an angle of
a 2.00m long pendulum with a mass of 250 gr collides with a 95.0 gr sticky ball seating in the pendulums path at the
Find the mass (e.g. in grams) and number of food calories to in your favourite candy bar, either on-line or by going to a store. We saw in class (see slides) how to convert food calories, a gauge of energy, to Joules, using the facts that there are 0..
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