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the total mass of the sun is about 2 times1030 kg of which about 75 was hydrogen when the sun formed only about 11 of
a suppose the surface temperature of the sun were 9000 k instead of 6000 k how much more thermal radiation would the
an air-conditioner with refrigerant r-134a as the working fluid is used to keep the room at 23oc by rejecting waste
1 the distance between two telephone pole is 50m when a 1kg bird lands on the telephone wire midway between the poles
a 35 kg uniform ladder is leaned against a building the 5 m tall ladder makes an angle of 60 degrees with the ground
a cylindrical tube oriented vertically on earths surface closed at the bottom and open at the top height 100 m cross
two circular coils of radius r each carrying a current i in the same sense are parallel with the xy-plane with their
assume that you are in an innitely old innitely large static euclidean universe the average density of stars is nlowast
in this problem we study the formation of standing electromagnetic waves using two perfectly reflecting conducting
one mole of nickel 6 1023 atoms has a mass of 59 grams and its density is 89 grams per cubic centimeter so the
1-a box of mass 10 kg sits atop a frictionless surface inclined at 30 degree above the horizontalnbsp it is connected
the objective of this problem is to design a low-temperature oven heated box with interior air temperature of 100degc
transient problem requiring the excel methodyou are asked to create an excel spreadsheet to solve the following problem
1 a 6in diameter concrete cylinder is loaded with a compressive force of 1131 kips 1000 determine the stress in the
please solve the following problems you must show all work1 one lightyear is defined to be the distance light can
q1 calculate the magnitude of the electrostatic force of attraction between an iron nucleus 26eand its innermost
a 5 litre pressure vessel contains 200g of propane using the peng robinson eos calculate the pressure in the vessel at
1 using the information given above calculate the optimum tails assay plot the cost of fuel as a function of tails
1 an object with a mass of 55 kg is allowed to slide from rest down an inclined plane the plane makes an angle of 30deg
an electric power line carries a current of 1400 a in a location where the earths magnetic field is 60 10-5 t the line
1 a ship has a top speed of 30 ms in calm water the current of the ocean tends to push the boat at 20 ms on a bearing
a dc circuit has a single battery of voltage v 100 v attached to a resistor r 100 ohms if the voltage is increased to
a 38g glass thermometer reads 207c before it is placed in 122ml of water when the water and thermometer come to
common chemical hazards and superfund sitesnbspplease respond to the followingwatch the video titled groundwater
a calculate the relativistic quantity gamma for 100 tev protons produced at fermilab correct your answer is correct b