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Compute all parts of given problem:
Problem: A dock worker loading crates on a ship finds that a 24 kg crate, initially at rest on a horizontal surface, requires a 71 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 57 N is required to keep it moving with a constant speed. The acceleration of gravity is 9.8 m/s+.
Part I: Find the coefficient of static friction between crate and floor.
Part II: Find the coefficient of kinetic friction.
I need help to find the coefficient of static friction between crate and floor.
Responding to an alarm, a 93 kilogram fireman slides down a pole to the ground floor, 3.2 meter below. Obtain the average force exerted on the fireman by the pole
When light with a wavelength of 262 nanometers is incident on a certain metal surface, Find the wavelength of light that should be used to double the maximum kinetic energy of the electrons ejected from this surface
two wires are identical except that one is aluminum and one is copper. the aluminum wire has a resistance of 0.832.
The legend that Benjamin Franklin flew a kite as a storm approached is only a legend - he was neither stupid nor suicidal. what is the current through the water layer
An airplane is flying in a horizontal circle at a speed of 103 m/s. The 74.0 kg pilot does not want the centripetal acceleration to exceed 6.97 times free-fall acceleration. Find the minimum radius of the plane's path
A 10.0 kg object undergoes an accelerationof 2.1 m/s2. What is the magnitude of the resultant force acting on it? If this same forceis applied to a 8.0 kg object, what acceleration is produced?
the total lung volume for a person is 6.20 . a person fills her lungs with air at an absolute pressure of 1.00 . then
which type of galaxy mostly consists of a collection of older red stars that are located in the center with blue and
the following frequency distribution analyzes the scores on a test. find the class boundaries of scores interval
A 45.0-kg girl is standing on a 133-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is her velocity relative to the surface of ice
An aluminum cup of mass 210 g contains 800 g of water in thermal equilibrium at 80.0°C. find At what rate is energy being removed by heat
In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth, How much work did Arfeuille do on the object
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