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A wire of diameter 0.65mm and length 6.0m stretches 10mm when 5.5kg is hung from it. What is the Young's modulus for the wire and what is the effective spring constant for the stretching wire?
A person with perfect pitch sits on a bus bench listening to the 450{\rm Hz} horn of an approaching car. how fast is the car moving
Find out the shear strain that results if a force of magnitude 5.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as s..
A child is playing by jumping on a bathroom scale. The mass of the child is 31 kg and when he stands on a bathroom scale, the spring inside the scale compresses 0.46 mm. what is the maximum height the child can jump on the scale
A textbook of mass 1.98kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.160m , find the tension in the part of the cord attached to the book
A block in the shape of a rectangular solid has a cross-sectional area of 4.48 cm2 across its width, a front-to-rear length of 22.1 cm, find the magnitude of the electric field in the block
Ice at -14.9 °C and steam at 115 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 52.0 °C is present.
The drawing shows a uniform horizontal beam attached to a vertical wall by a frictionless hinge and supported from below at an angle ?= 36o by a brace that is attached to a pin. Find the magnitudes of these three forces
A thin film of oil (n = 1.10) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film?
a 4.6kg sphere made of metal whose density is 3800kg/m^3, is suspended by a cord. What fraction of the volume of the sphere is submerged
If the jet is moving at a speed of 1600 km/h at the lowest point of the loop, Calculate the pilot's effective weight at the top of the circle
A truck has its front wheels (only) driven onto a scale and a reading of 3000 kg is obtained. How far is the center of gravity from the front wheels
12 Gallons per minute of water flows through a heater and must be raised from 20 to 90 Celcius. Calulate the rate of heat supplied
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