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hat is the molarity (M) of a solution prepared by dissolving 15.0 g of sodium hydroxide in enough water to make a total of 225 mL of solution? Show all work step by step.
a 16.0 g bullet is shot into a wooden block at rest with mass 4550 h on a frictionless surface. the block moves 1.20 m/s after the bullet strikes and becomes lodged in the block, find the speed of the bullet before striking the block
A review of absorption spectroscopy might give clues to important light-matter interactions over a broad range of wavelengths. Whether all of the these processes are involved in blackbody emission is a somewhat different question. What physical p..
The refractive indices of materials A and B have a ratio of nA/nB = 1.71. The speed of light in material A is 1.36 x 108 m/s. What is the speed of light in material B?
The motion of a very massive object can be minimally affected by what would seem to be a substantial force. how long will it take the tanker, starting from rest, to reach a typical cruising speed of 6.0 m/s
two 50 g ice cubes are dropped into 200 g of water in a glass. if the water was initially at a temperature of 25oc and
a rectangular block of copper has sides of length 13cm23cm and 38cm. if the block is connected to a 7.0v source across
If the temperature is the same at the surface of the lake and at a depth of 20.0m below the surface , what is the height of the cylinder of air in the bucket when the bucket is at a depth of 20.0m below the surface of the lake
A plastic cylinder of length 36 cm its ends ground to convex (from the rod outward) spherical surfaces, each having radius of curvature 16 cm. How far will the image of the object lie from the right end
Assuming that each nucleus is roughly spherical and that its mass is roughly equal toA (in atomic mass unitsu), what is the density?
A spaceship, 180 m long as seen on board, moves by the earth at 0.950c. What is its length as measured by an earth-bound observer?
A sealed tank containing seawater to a height of 12m also contains air above the water gauge pressure of 5 atm. Water flows out from the bottom through a small hole. Calculate the exit speed of the water.
Peter, a 100kg basketball player, lands on his feet after completing a slam dunk and then immediately jumps up again to celebrate his basket. What is the impulse exerted on Peter during this 0.50s
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