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At high altitudes, water boils at a temperature lower than 100.0° C due to the lower air pressure. A rule of thumb states that the time to hard-boil an egg doubles for every 13.0° C drop in temperature. What activation energy does this rule imply for the chemical reactions that occur when the egg is cooked?
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If the amplitude of a particle in simple harmonic motion is doubled, how are the total energy and maximum speed affected
A 36.0 g bullet moving at 478 m/s strikes a 3.7 kg bag of flour that is on ice, at rest. The bullet passes during the bag, leaving at 255 m/s. How fast is the bag moving when the bullet exits.
He was supposed to travel due north for 5.6km, but he actuallytraveled 7.8km at 50 degrees north due east. (a) how far and (b) elucidate in what direction must he now travel to reach base camp?
A very long solenoid with a circular cross section and radius r= 7.10 cm with n= 1.50E+4 turns/m has a magnetic energy density uB= 5.10 mJ/m3. What is the total energy stored in the solenoid
The human eye can barely detect a star whose intensity at the earth's surface is 1.6E-11W/m2. how many photons per second enter the eye from the star
A man weighing 730 and a woman weighing 410 have the same momentum. What is the ratio of the man's kinetic energy to that of the woman.
question1two gerbils run in place with a linear speed of 0.60 on an exercise wheel that is twisted like a hoop. find
A point charge is moved in an electric field. The potential changes from -87 V to +30 V between the initial and final position. The work done by the electric field is 156 J
A water hose 2.00 cm in radius is used to fill a 15.0 liter bucket. If it takes 2.00 min. to full the bucket, find the speed V at which the water leaves the hose
An unstable particle is at rest and suddenly breaks up into two fragments. No external forces act on the particle or its fragments. What is the velocity of the more massive fragment
A water molecule, which is electrically neutral but has a dipole moment of magnitude p = 6.20·10-30 C m, is 3.20 cm away from a point charge q = +6.90 ?C, Calculate the magnitude of the net force
The electric field everywhere on the surface of a charged sphere of radius 0.470 m has a magnitude of 865 N/C, find distribution of charge inside the sphere
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