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Derive expressions for the static and kinetic coefficients of friction using any terms relevant to the situation (e.g., applied force, normal force, acceleration of gravity, mass, angle of incline). .
Block Pulled on Flat Surface(a) Place a friction block fuzzy side down on a track and add some mass on top to give it extra traction. Pull the block VERY SLOWLY with a spring scale, starting with very little effort but continuously increasing your effort over a few seconds until the block suddenly slips, and then continuing for another second or two with the block sliding at constant speed.
Cheetahs, fastest of the great cats, can reach 45 in 2 starting from rest. Assume that they have constant acceleration throughout that time, find their acceleration (in (a) and (b) ) and the distance (in (c) and (d) ) Q2. They travel during that t..
A 10.0 kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s. What is the speed of the crate when it arrives at the lower surface
A certain centrifuge produces a centripetal acceleration of magnitude exactly 1220g at a point 11.7 cm from the axis of rotation. Find the number of revolutions per second
In the system shown in the figure, suppose the block has a mass of 3.3 , the spring has a force constant of 450 , and the coefficient of kinetic friction between the block and the floor is 0.19. Find the work done on the block by the spring
A hill is covered with snow, and has a slope of 30 degree above the horizontal. The slope is l = 40.m long. How fast is the snowball rolling at the end
The plates of a parallel-plate capacitor have a separation of 3.68mm , and each has an area of 15.8cm^2. What is the potential difference between the plates
Illustrate what is the basis for the industry's legal duty to the surrounding community? In other words, illustrate what is the legal source of the industry's legal duty?
A charge of -250e is uniformly spread through the volume of a sphere of radius 2.00 cm. What is the volume charge density in that sphere
compute the coefficient of kinetic friction between block A and the tabletop.
A railroad car of mass 2.52 x10^4 kg, is moving with a speed of 3.94 m/s. It collides and couples with three other coupled railroad cars, each of the equal mass as the single car and moving in the equal direction with an initial speed of 1.97 m/s.
At the bottom of the slope, the path levels out and become horizontal, the snow becomes less icy, and the skier begins to slow down, coming to rest in a distance of 160.00 m along the horizontal path.
A block of mass m = 8 kg is pushed across a rough table with a force applied at an angle of 40 with respect to the horizontal direction, what is the work done by friction
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