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Q1. Two 12-cm-diameter charged rings face each other, 17.0 apart. Both rings are charged to + 40.0. What is the electric field strength at the midpoint between two rings?
Q2. A horizontal desk surface measures 2.06 m x 1.73 m. If Earth's magnetic field has magnitude 0.494 mT and is directed 64.7° below the horizontal, what is the magnetic flux through desk surface?
Q3. A pipe open only at one end has a fundamental frequency of 258 Hz. A second pipe, initially identical to the first pipe, is shortened by cutting off portion of the open end. At this time, when both pipes vibrate at their fundamental frequencies, beat frequency of 12 Hz is heard. How many centimetres were cut off the end of second pipe? The speed of sound is 343 m/s.
What is force necessary on one end of apparatus in order to lift the car? How much work is done lifting the car?
Charge is distributed with constant volume density D throughout the rectangular box with length a, width b and height c.
Find out the type of mirror and how far the object is
What is the pressure inside the thermos
A 7.40-nC charge is positioned 1.70 m from a 4.80-nC charge. (a) Find the magnitude of electrostatic force that one particle exerts on the other. (b) Is the force attractive or repulsive.
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
An airtight box has a removable lid of area 1.00 10-2 m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 7.00 104 Pa. The inside of the box is completely displaced. What is the magnitude of the force es..
A person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship.
What is the turntable rotation angular velocity
Find out an acceleration of mass and tension in the string
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