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A skier leaves the ramp of a ski, jump with a velocity of 10 m/s, 15° above the horizontal as in Figure. The slope is inclined at 50° and air resistance is negligible.
Find the distance that the jumper lands down the slope.
The owner of a van installs a rear-window lens that has a focal length of -0.340 m. When the owner looks out through the lens at an object located directly behind the van, How far from the van is the object actually located
A copper wire has a square cross section a on a side. The wire is L long and carries a current of I. The density of free electrons is ne. Estimate the magnitude of the current density in the wire
Calculate the probability that an electron in the ground state of a hydrogen atom will be found at a greater distance from the nucleus than would be allowed classically.
The polar ice caps contain about 2.48 x 10^19 kilogram of ice. This mass contributes negligibly to the moment of inertia of the earth because it is located at the poles, Find what would be the change in the length of the day
A steel wire of length 1.92 with circular cross section must stretch no more than 0.300 when a tensile (stretching) force of 410 is applied to each end of the wire. What minimum diameter is required for the wire
The mass density of copper is 8.96 grams/cm3, and each copper atom has an average mass of 1.045 x 10-22 grams. How many coulombs of these free electrons would one find per cubic centimeter in a copper bar
Consider two vectors A and B and their resultant A+B. Find the angle between the direction of the resultant vector A+B and the direction of the vector A
A newly discovered particle, the SPARTYON, has a mass 455 times that of an electron. What is the frequency of each of the emitted photons
Consider an ideal gas at 27.0 degrees Celsius and 1.00 atmosphere pressure. What is the length of an edge of each small cube if adjacent cubes touch but don't overlap
A package is dropped from a helicopter that is ascending at a steady speed of 12 m/s. How long will the package spend in the air
A 3.00-kg crate slides down a ramp. The ramp is 1.00 m in length and inclined at an angle of 30.0o. determine the speed of the crate at the bottom of the ramp
After flying for 15 minute in a wind blowing 42 km/h at an angle of 22 degree south of east, Find the speed of the airplane relative to the air
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