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A skier starts from rest at the top of a hill that is inclined at10.4°with the horizontal. The hillside is 245 m long, and the coefficient of frictionbetween snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is unchanged. How fardoes the skier glide along the horizontal portion of the snow before coming to rest?
Two point charges 0.660 m apart experience a repulsive force of 0.376 N. The sum of the two charges equals 1.09*10^-5 C. Find the values of the two charges
Due to a temperature difference ?T, heat is conducted through a brass plate that is 0.027 m thick. How thick should the steel plate be so that the same amount of heat per second is conducted through it
A white billiard ball with mass mw = 1.31 kg is moving directly to the right with a speed of v = 2.87 m/s, What is the magnitude of the final total momentum of the system
A bat flies toward a wall at a speed of5.5m/s. As it flies, the bat emits an ultrasonic sound wave with frequency29.0kHz. What frequency does the bat hear in the reflected wave
A cube of ice is taken from the freezer at -9.2°C and placed in a 98 g aluminum calorimeter filled with 299 g of water at room temperature of 20°C. What was the mass of the ice cube
Spheres A and B are touched together and then separated. Sphere C is then touched to sphere A and separated from it. Lastly, sphere C is touched to sphere B and separated from it. Explain how much charge ends up on sphere C?
Suppose the ball is thrown from the same height as in the above problem at an angle of 36.0°below the horizontal. find the speed and angle of the velocity vector with respect to the horizontal at impact
The pulley is located so that the string makes a 45 degree angle with the beam. The beam is uniform, 5 meters long, and has weight. The professor stands 2 meters from the pivot point and has weight.
select the quantity that has changed(velocity or speed) for a car that travels north at 88 km/h and then turns east while continuing to move at 88 km/h. define your answer.
A chartered airplane flies 100 km east, then 350 km northwest, and then 150 km at 30° west of south. Find the magnitude of the last leg of the journey
A proton is confined to a nucleus that has a diameter of 5.7 10-15 m. what is the minimum uncertainty in its momentum
In making raspberry jelly, 887 g of raspberry juice is combined with 930 g of sugar. The mixture starts at room temperature, 23.0°C, and is slowly heated on a stove until it reaches 220°F, How much energy does the mixture absorb
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