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Through heavy rain, a section of a mountainside measuring 3.6 km horizontally (perpendicular to the slope), 1.5 km up along the slope, and 0.44 m deep slips into a valley in a mud slide. Suppose that the mud ends up uniformly distributed over a surface area of the valley measuring 0.55 km x 0.55 km and that the mass of a cubic meter of mud is 1900 kg. What is the mass of the mud sitting above a 5.8 m2 area of the valley floor?
A ball is thrown directly downward with an initial speed of 7.80 m/s from a height of 29.4 m. After what time interval does it strike the ground
question a boy of mass 40 kg wishes to play on pivoted seesaw with his dog of mass 15 kg. when the dog sits at 3 m from
A curling stone slides on ice with a speed of 2.0 m/s and collides inelastically with an identical,stationary curling stone. What fraction of the initial energy is lost in this collision
A cue ball travelling at 5.0 m/smakes a glancing, elastic collision with a target ball of equalmass that is initially at rest. Find the speed of each ball after the collision
1.play with pendulum lab to figure out what variables affect the motion of a pendulum and write qualitative
Ordinary glasses are worn in front of the eye and usually 2.00cm in front of the eyeball. What is their power in diopters
The moon's diameter is 3.48 × 106 m, and its mean distance from the earth is 3.85 × 108 m. Find the diameter of the moon's image on the slide film
A ball is thrown vertically upward from the ground with an initial speed of 15.00 m/s. How long does it take the ball to reach its maximum altitude
A beam of light propagating in glass (n=1.52) is incident on an interface with an unknown material. When the incident angle is exactly 62° the all of the light is reflected at this interface, but for smaller angles some light is transmitted. What is ..
A tank having a volume of 0.10 m3 contains helium gas at 155 atm. How many balloons can the tank blow up if each filled balloon is a sphere 0.30 -m in diameter at an absolute pressure of 1.3 atm.
When the skateboarder reaches the highest point, how far is this point horizontally from the end of the ramp.
A 1.0-cm-thick layer of water stands on a horizontal slab of glass. What is the ray's direction of travel in the glass
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