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An 60 kg skier is sliding down a ski slope at a constant velocity. The slope makes an angle of 5 degrees above the horizontal direction.
(a) Ignoring any air resistance, what is the force of kinetic friction acting on the skier?
(b) What is the coefficient of kinetic friction between the skis and the snow?
Physics - Potential Energy - Gravitational Force A satellite has a mass of 100 kg and is located at 2.00 x 10^ 6 m above the surface of earth. (A) What is the potential energy associated with the satellite at this location?
Calculate the flow rate in cubic centimeters per second in an aorta of radius 60 cm if the average blood velocity in it is 0.81 cm/s
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other?(Hint: Use charge conservation and solve for one of the initial charges. You will end up with a quadratic equation. The solutions giv..
A roller coaster seat exerts a normal force of 120N on a 40kg passenger at the apex of a vertical loop. what is the speed of the coaster
The A string of a violin is 32cm long between fixed points with a fundamental frequency of 440Hz and a mass per unit length of 6.5×10-4 kg/m. What is the wave speed in string.
A 13-kg block rests on a level floor. A 300-g glob of putty is thrown at the block so that the putty travels horizontally, hits the block, what is the initial speed of the putty
we can assume that the arm moves with constant speed during each swing. Illustrate what is the acceleration of a 1.3g drop of blood in the fingertips at the bottom of the swing?
Assume that the earth is a uniform density spherical mass. (This assumption is not correct but we will use it for simplicity in working the problem.)
If an automobile rounds this curve at 30 {rm m/s}, illustrate what is the minimum coefficient of static friction between tires and road needed to prevent skidding?
An ac generator has a frequency of 4.80 kHz and produces a current of 0.0400 A in a series circuit that contains only a 231 resistor, Obtain the voltage of the generator
A very long, straight solenoid with a cross-sectional area of 6.00cm2 is wound with 40.0 turns of wire per centimeter, What is the average induced emf in the secondary coil
What mass (in grams) of steam at 100°C should be mixed with 212 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 14.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg..
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