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Question: A wire is drawn through a die, stretching it to 4.1 times its original length.
Part A: By what factor does its resistance increase?
I am not able to get the correct answer please help me for above question.
Four equal masses m are located at the corners of asquare of side script i connected by essentially massless rods. For the following answers you may use the symbols m for m,L for script i, and g for the acceleration ofgravity. Find the rotational ine..
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
A laser beam in air is incident on a liquid at an angle of 53 degree with respect to the normal. The laser beams angle in the liquid is 35 degree. Evaluate what is the liquid index of refraction
A spring has a force constant (k=18N/m). If it's compressed 50 centimeter from its original equilibrium length, determine how much mass will have gained
what is the acceleration of the wallet. If the contact between ball and ground lasted 1.6ms, what average force was exerted on ball.
A solid, uniform ball rolls without slipping up a hill, as shown in the figure . At the top of the hill, it is moving horizontally; then it goes over the vertical cliff. How fast is it moving just before it lands
A U-tube contains liquid of unknown density. An oil of density 787kg/m3 is poured into one arm of the tube until the oilcolumn is 11 cm high. Find the density of the liquid
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 24.9-m tall building and land on the ground safely at a final vertical speed of 3.87 m/s. What is the angular acceleration of the drum
A coil with an inductance of 2.3 H and a resistance of 10 is suddenly connected to an ideal batterywith script e = 130 V. What is the rate at which energy is being delivered by the battery
Two 7.0mm×7.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. find the charge before and after the Mylar is withdrawn
What is the focal length of the contact lenses that will enable him to see distant objects clearly
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 12.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mole. (b) Imagine adding electrons to the pin until the negative charge h..
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