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Q1. A stone of mass 0.31 kg is tied to a string of length 0.85 m and is swung in the horizontal circle with speed v. The string has a breaking-point force of 90 N. What is the largest value v can have without string breaking?
Q2. What will a spring scale read for the weight of a 66 woman in an elevator that moves upward with constant speed of 5.1?
A trapeze artist swings in simple harmonic motion with a period of 4.2s. The acceleration of gravity is 9.81m/s2. Compute the length of the cables supporting the trapeze.
Illustrate the force vectors with their tails at the origin of coordinate system. The orientation of your vectors will be graded. The exact lengths of your vectors will not be graded but relative length of one to the other will be graded.
Find out the coefficient of sliding friction
Find out the frequency of a sound wave moving through iron at 25 degrees Celsius with a wavelength of 0.601m.
He would like a prescription for contact lenses to serve the similar purpose. What is the correct contact lens prescription, in diopters.
How to design atrium of a new building
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Find the angle with respect to the ground
What is Lagrangian for the system
How to find the length
Assume that a binary star system consists of two stars of equal mass. They are observed to be separated by 310 million kilometres and take 4.0 Earth years to orbit about the point midway between them.
Find the work function of the emitting surface and the wavelength of the second source. Determine the net work done on the piano.
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