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Caught in an avalanche, a skier is fully submerged in flowingsnow of density 96kg/m^3. Assume that the average density of theskier, clothing, and skiing equipment is 1020kg/m^3. What percentage of the gravitational force on the skier is offset by thebuoyant force from the snow?
A 19-kg chandelier is suspended from the ceiling by four vertical steel wires. Each wire has an unloaded length of 4 m and a diameter of 7 mm
A bungee jumper (m = 74.00 kg) tied to a 42.00 m cord, leaps off a 72.00 m tall bridge. What size impulse is exerted on the bungee jumper while the cord stretches
An 8cm^3 ice cube is floating in a 10x10x10 cm glass container completely filled with water, How much water is going to spill over when the ice melts
A baseball thrown at an angle of 55.0 above the horizontal strikes a building 18.0 away at a point 8.00 above the point from which it is thrown. Find the magnitude of the initial velocity of the baseball
A 9.40kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 69.5kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.
For alpha particles of energy 7.68 MeV scattered from a platinum foil two microns thick, find the collision diameter
question1illustration on eratosthenes process if two observers are due north and south of each other and are detached
The surface of the Sun has a temperature of about 5,800 K. The radius of the Sun is 6.96 108 m. Calculate the total energy radiated by the Sun each second
A large disk with a radius of 20 cm has a string attached to its edge, which is hanging over a table with a 200 g mass attached to it. determine the moment of inertia of the disk
A golf ball strikes a hard, smooth floor at an angle of 25.8 ° , What is the magnitude of the impulse applied to the golf ball by the floor
A 1055 kg van, stopped at a traffic light, is hit directly in the rear by a 800 kg car traveling with a velocity of +2.00 m/s. What is the final velocity of each vehicle
A ball is thrown upward from the top of a building at an angle of 60.0° to the horizontal, What is the horizontal distance (in m) covered by ball before hitting the ground
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