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A string of length L, which is clamped at both ends and has a tension T, is pulled aside a distance h at its center and released.
What is the energy of the subsequent oscillations?
With brakes fully applied, a 1430kg car decelerates from a speed of 74km/hr. What is the work done by the braking force in bringing car to a stop.
A baseball is hit with a speed of 33.0 ms-1 at an angle of 56.0 degrees. It land's on the flat roof of a nearby building with a height of 13 m. If the ball was hit when it was 1.7 m above the ground, what horizontal distance does it travel before it ..
An object is 2 m from the front side of a 1 m focal lenth converging lens. A second converging lens with focal length 2 m is placed 1 m from the first on the opposite side from the object. What is the new magnification
The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.9 mm and is 8.6 cm long. find the average speed of blood in the pulmonary artery
A transformer is designed to step down the 206 volts to 16 volts. If there are 418 turns on the input coil, find how many turns should there be on the output coil
Illustrate what average power must the winch supply in order to accelerate a 174-kg ultra-light glider from rest to 23.0 m/s over a horizontal distance of 50.0 m? Assume that friction and air resistance are negligible, and that the tension in the ..
Illustrate what is the smallest angle of incidence with respect to the top mirror, such that the laser beam hits the mirrors in each way?
The pulley system in Figure below is used to lift a 52-kg crate. Note that a chain connects the upper pulley to the ceiling, determine the tension in each chain
Sea birds tuck in their wings and dive straight down into the water when hunting for fish near the surface. If a pelican starts a dive from 16.0 m, with what speed will it strike the water
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). compute the distance between the first-order red and blue fringes
Using thermogravimetric curve we can relate the mass changes to the stoichiometry involved. calculate the percentage weight loss for the following compounds when they are heated at uniform rate in thermogravimetric analysis.
A tuning fork with a frequency of 356 Hz is found to cause resonance in a closed column of air at 41 cm and at 65 cm. Find the velocity of sound produced by the tuning fork.
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