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A 65.0 kg skier initially at rest begins to slide down at a 10.0 degree slope. If the hill is 30m long and the coefficient of kinetic friction is 0.05, how fast will the skier be going at the end of the hill?
A ball of mass 0.60 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.5 kg initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring.
Determine the magnitude and coordinate direction angles for the resultant force of the combination of the two forces shown.
q1. the sun falls on a concave mirror and forms an image 4.5 cm from the mirror. if an object 22 mm high is placed 12.7
An underwater diver sees the sun 58 above horizontal. How high is the sun above horizon to a fisherman in a boat above the diver.
A 1100kg car traveling south at 24 m/s with respect to the ground collides with and attaches to a 2550kg delivery truck traveling east at 16 m/s. Determine the direction of the velocity of the two vehicles
During a severe storm in Palm Beach, Fla., on January 2, 1999, 33 inches of rain fell in a period of nine hours. estimate the average upward force exerted by one square meter of ground to stop the falling raindrops during the storm
A 2,200-kg pile driver is used to drive a steel I-beam into the ground. calculate the average force the beam exerts on the pile driver
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 3.4 cubic meters of sea water. What is the buoyant force acting on the object in newtons
A garden plot must have a central planting area of length 13 m and width 8 m. There is to be a sidewalk around its edge of width w. what is the sidewalk width
A swimming pool has dimensions 28m 11m and a flat bottom. The pool is filled to a depth of 2.30 m with fresh water.
A weightlifter bench-presses a 130.0 kg barbell from his chest to a height equal the length of his arms 0.850 m. How much work does he do
If light is shown from a sheet of glass toward water and just skims the boundary between the glass, at what angle was the light aimed toward the water
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