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A 65kg skier is moving at 6050 m/s on a frictionless, horizontal snow-covered plateau when she encounters a rough patch3.50m long. The coefficient at kinetic friction between this patch and her skis is 0.300. After crossing the rough patch and returning to friction-free snow, she skis down an icy frictionless hill 2.50m high,
1. How far the skier moving when she gets the bottom of the hill?
2. How much internal energy was generated in crossing the rough patch?
A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is 1.75 m behind the double slit. The central maximum of the diffraction pattern has a width of 4.30 cm, and the fourth bri..
A hydrogen atom is in its second excited state, n=3. Find the total energy of the atom
A diverging lens (f = -11.5 centimeter) is placed 20.0 centimeter to the left of a converging lens (f =30.5 centimeter). Find what is the height of the final image
In 1956, Frank Lloyd Wright proposed the construction of a mile-high building in Chicago. Suppose the building had been constructed. find the change in your weight
A tennis ball (m = 0.2 kg) is thrown at a brick wall. It is traveling horizontally at 16 m/s just before hitting the wall, find the magnitude of the average force of the wall on the ball
Pressure is defined as force divided by area. What are the dimensions of pressure? Express Pressure in terms of SI base units kilogram, meter, and second.
The intensity due to a number of different sources is the sum of the individual intensities. how many additional babies would be required
A structural I beam is made of iron. A view of its cross-section and its dimensions is shown in the figure, where d = 2 cm, w = 29 cm, h = 30 cm, How many atoms are there in this section
A catapult on a cliff launches a large round rock towards a ship on the ocean
A car starts from rest on a curve with a radius of 190 meter and accelerates at 1.50 m/s2. Find how many revolutions will the car have gone
Type your question hereAn aircraft with a mass of 963 kg accelerates from 0 to 80 m/s in 8.1 seconds, What is the kinetic energy of the aircraft
normal atmospheric pressure is 1.013 x 105 pa. the approach of a storm causes the height of a mercury barometer to drop
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