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What structural feature distinguishes an aromatic hydrocarbon from an aliphatic hydrocarbon? Give the general molecular formulas for alkenes, cycloalkanes, alkenes, and alkynes. Write the structural formula for one example of each of these classes.
Calculate the linear speed due to the Earth's rotation for aperson at a point on its surface located at 40 degrees N latitude.The radius of the Earth is 6.40 x 10^6 m
A copper vessel of mass 1000g contains 500g of water at 50C. An ice cube of mass 100g at temperature -30C is dropped into the vessel. Does the ice melt? Explain in a few words how you reached to your answer.
What is the total charge. Find the electric field at the ends of the following radial distances from the long axis of the cylinder at r=7.1cm and r=11cm
A 125 object is taken to a height of 400 above the Earth's surface. What is the object's mass at this height? What is the object's weight at this height
A proton is located at x=1.0nm, y=0.0nm and electron is located at x=0.0nm, y=4.0nm. Find the attractive Coulomb force between them
Two charges, one twice as large as the other, are located 15 apart and experience a repulsive force of 95. What is the magnitude of the larger charge
The 100 kg block in the figure below takes 6.0 s to reach the floor after being released from rest. What is the mass of the block on the left
A spring is stretched a distance of Dx = 40 cm beyond its relaxed length. Attached to the end of the spring is an block of mass m = 12 kg, which rests on a horizontal frictionless surface. what is the speed of the attached object
A car at the Indianapolis-500 accelerates uniformly from the pitarea, going from rest to 285 km/h in asemicircular arc with a radius of 196m. Determine the radial acceleration of the car at this time
Sketch a graph of maximum kinetic energy, KE max against visible light frequency, v for this experiment Label threshold frequency Vc.
A car spring (lenght (0.2) m) is suspended from the ceillingof a garage . A 200kg mass is suspended from the spring which stretches an extra 0.004m . the spring is stretched slightly ( veryslightly ) further and released assume SHM and determine t..
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
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