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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 a the end of the hill?
A car of mass 2100 kg collides with a truck of mass 4500 kg, and just after the collision the car and truck slide along, stuck together. The car's velocity just before the collision was m/s, and truck's velocity just before the collision was m..
In Anchorage, collisions of a vehicle with a moose are so common that they are referred to with the abbreviation MVC. What percent of the original kinetic energy is lost in the collision to other forms of energy
Consider an RLC circuit with driving emf amplitude Εm = 10 V, resistance R = 12 Ω, inductance L = 1.0 H, Find the amplitude of the voltage across the inductor at resonance
A laser beam is incident at an angle of 30.8° to the vertical onto a solution of corn syrup in water. If the beam is refracted to 19.18° to the vertical, what is the index of refraction of the syrup solution
Assume that each cubic centimeter of water has a mass of exactly 1.00 g. What is the mass of one cubic meter of water
When an archer pulls an arrow back in his bow, he is storing potential energy in the stretched bow. Compute the potential energy stored in the bow
A copper wire of radius a = 0.214 mm has an aluminum jacket of outer radius b = 0.310 mm. There is a current i = 2.89 A in the composite wire. what is the length in meters of the composite wire
A 1.09-cm-diameter microscope objective has a focal length of 2.4 mm. It is used in visible light with a wavelength of 516 nm. What is the objective's resolving power if used in air
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
In a certain chemical process, a lab technician supplies 231J of heat to a system. What is the increase in the internal energy of the system
The tackler holds onto the receiver, and the two move off together with a velocity of +1.6 m/s. The mass of the tackler is 115 kg. Assuming that momentum is conserved, find the mass of the receiver.
An airtight box has a removable lid of area 1.00 10-2 m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 7.00 104 Pa. The inside of the box is completely displaced. What is the magnitude of the force es..
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