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0.5 kg of ice slowly melts. The latent heat of fusion is 80 kcal/kg. By how much does the entropy of the ice change?
A blimp used for aerial camera views of sporting events holds 200,000 ft3 of helium. How much does the helium weigh
How to calculate the efficient canyon albedo
Find the position of the object to acquire real, magnified image, inverted, and virtual, upright image.
A billiard ball rolling across a table to the right at 1.4 m/s makes a head-on elastic collision with an identical ball. The mass of a billiard ball is 34 g. find the velocity of the second ball after the collision
Find the energy released in the fusion reaction 2/1H+ 3/1H? 4/2He+n. The mass of 2/1H is 2.014102 u
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 find the charge before and after the Mylar is withdrawn
Monochromatic light is incident from the top onto two glass plates, as the drawing shows. What happens to the bright fringes
A cardinal (Richmondena cardinalis) of mass 4.00×10-2 and a baseball of mass 0.143 have the equal kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
A basketball player grabbing a rebound jumps 70 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 11.9 cm of this jump and (b) in the bottom 11.9 cm.
A certain light source is found to emit radiation whose peak value has a frequency of 8.28 Ã- 1014 Hz. Find the temperature of the source
Find the energy of a photon that is emitted when an electron in a hydrogen atom undergoes a transition from the n=7 level
This question requires two answers. A hollow metal sphere carries a charge of 5.0 μC. How much charge is on the larger sphere
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