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Q1. A heavy piece of hanging sculpture is suspended by a 146.0 cm long, 8.03 gm wire. When the wind blows hard, the wire hums at its basic frequency of 113.0 Hz. What is the mass of sculpture (in kg) assume that the local acceleration due to gravity is 9.80 m/s2?
Q2. If the average frequency emitted by a 200,-,rm W light bulb is 5.00 times 10^{14} , {rm Hz}, and 10.0 percent of the input power is emitted as visible light, approximately how many visible-light photons are emitted per second?
Find the distance from the positive plate
Illustrates the difference between acceleration and velocity
A 32.0 kg hammer strikes a steel spike 2.70 cm in diameter while moving with speed of 24.0 m/s. The hammer rebounds with speed 11.0 m/s after 0.110 s. What is an average strain in the spike all through the impact.
This magnetic field accelerates the electron in a circular motion. What is radius of the circle. The final situation is observed to be all water at 18°C. What was the mass of the ice cube.
Find out kinetic energy of the merry-go-round
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
Find out the vertical component of the reaction force
What is the turntable rotation angular velocity
Assume that each person is about the similar distance from the center of the field and can generate the same level of sound intensity. How numerous people are at the game.
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What is the minimum coefficient of friction that will prevent sliding. What should be the highest speed of the car so it can round the curve safely.
Introductory Mechanics: Calculate the smallest coefficient of static friction
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