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A single square loop of wire has a resistance of 2 Ohm. The length of each side of the square is 0.5m. A magnetic field whose direction makes an angle of 45 degrees with the normal to the plane of the loop increases at a rate of 10 milliTesla/s. What is the current flowing in the loop?
A. 0
B. 0.88mA
C. 1.77 mA
D. 2.5 mA
E. The current varies with time.
An Oil droplet with a radius of 0.03 mm is observed to hover motionless in space between two vertically separated metal plates. What is the net charge on the oil drop
The green block(B) has a mass of 10.00kg and is moving to the left at a speed of 3.70m/s. What should the velocity of the red block be in order to have the two blocks move to the right with a speed of 1.30 after the collision
A spherical conductor is charged so that its surface potential is Vo=1000V. If the radius of the sphere is R=10m, what is the potential in the center of the sphere
An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 754 N. what is the weight of the sand and box in that situation
on average an electric water heater operates for 1.7 h each day. it has a power requirement of 4500 w and a current
Smaller mammals use proportionately more energy than larger mammals; that is, it takes more energy per gram to power a mouse than a human. A typical mouse has a mass of 20 g and, at rest, needs to consume 3.0 Cal each day for basic body processes.
Suppose that the separation between two speakers A and B is 3.20 m and the speakers are vibrating in-phase. They are playing identical 121-Hz tones and the speed of sound is 343 m/s. An observer is seated at a position directly facing speaker B in..
A fully loaded station wagon has a mass of 1690 kg. If each of its four tires is inflated to a gauge pressure of 211 kPa, what is the total tire area in contact with road . What least distance are they from each other? The angle might be too large ..
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.90 m/s at an angle of 23.0° below the horizontal. Find the height from which the ball was thrown
A police officer is waiting near an intersection. He sees a truck running a red light. The truck is traveling with a constant speed of 18.0 m/s. The police officer immediately starts to chase the truck.
the current is an inductor is .10 A and the frequency is 750 hz. if the inductance is .080 H what is the voltage across the inductor
A person can change the volume of his body by taking air into his lungs. The amount of change can be determined by weighing the person under water. Find the change in body volume
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