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A cylindrical storage tank has a radius of 1.22m. When filled to a height of 3.71m, it holds 14 300 kg of a liquid industrial solvent. What is the density of the solvent?
a girl is using a rope to pull a box that weighs 300 N across a level surface with constant velocity. what is the normal force of the floor on the box
A rock weighing 400 N sits on the edge of a 60 m cliff. How much potential energy does it have
A vertical spring is 10.0 cm long when supporting a 20.0 kg mass, and it is 12.0 cm long when supporting a 32.0 kg mass. What is the length of spring with zero load
During a baseball game, a batter approaches the plate. The pitcher hurtles the ball in the direction of the batter at a speed of 85 miles per hour. find the momentum of the system in the center of mass frame
The Rydberg constant is 1.096776 x 10^7 m^-1, What is the wavelength of the first Balmer line (j=2, k=3) for helium (z=2)
A ball is thrown directly downward with an initial speed of 7.70 m/s, from a height of 29.0 m. After what time interval does it strike the ground
Consider an ideal gas at 27 degree C and 1 atm. To get some idea how close these molecules are to each other, What is the length of an edge of each cube if adgacent cubes touch but not overlap
The electric potential inside a conducting sphere is 245V, and a distance d = 32.0cm from the surface of the sphere, the potential is 175V. Calculate (a) the radius of the sphere and (b) the charge on the sphere.
Two spheres with uniform surface charge density, first with a radius of 7.0cm and the second with a radius of 4.8cm , What is the surface charge density on the first sphere
you're helping with an experiment in which a vertical cylinder will rotate about its axis by a very small angle. you need to devise a way to measure this angle. you decide to use what is called an optical lever. How many degrees has the cylinder ro..
A spherical brass shell has an interior volume of 1.26 x10-3 m3. Within this interior volume is asolid steel ball that have a volume of 0.89 x 10-3m3. What is the volume of mercury that spills out of the hole
Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of height 1.58 m
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