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Consider two cubes of copper of side 1 cm. In each cube, assume that one out of million Cu atoms is Cu+ . Using Coulomb's law, calculate the force between the two cubes if they are placed at a distance of 10 cm.
Calculate the ionic strength and the activity coefficients of a 0.02 M solution of CaCl2.
question at the top of earths atmosphere sunlight has an average intensity of 1380wm2 .if the average distance from
A 4.1 kg ball oscillates with a period of 2.6 seconds, and an amplitude of 23. cm. What is the maximum acceleration
A double-slit experiment is performed underwater with a submergedHeNe laser. Suppose that the separation of the slits is0.0142 cm, Find the distance along the screen
a stone thrown horizontally from a height of 5.92 m hits the ground at a distance of 13.50 m. calculate the speed of
Two point charges totaling 9.00 µC exert a repulsive force of 0.250 N on one another when separated by 0.537 m. What is the charge on each
A plastic block of dimensions 2.5 cm x 3.8 cm x 4.0 cm has a mass of 28.0 g. What is the density of the block
A uniform rod of mass M and length L is sitting on a frictionless table. Describe the subsequent motion of the rod
if the caffeine concentration in a particular brand of soda is 1.99 mgoz drinking how many cans of soda would be
Two stones are thrown vertically upward from the ground, one with three times the initial speed of the other. how high (in terms of H) will the faster stone go
He+ is a helum atom with one electron missing. Treating this like a hydrogen arom, what is the first excited state of this atom
An astronaut who is repairing the outside of her spaceship accidently pushes away a 90.5-cm-long steel rod, What is the magnitude of the EMF, in millivolts, induced between the ends of the rod
A ship travels 80 km due north on the first day of a voyage, 50 km northeast on the second day, Find the resultant displacement by the polygon method
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