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The two blocks attached by a mass less rope that is strung over a frictionless and mass less pulley. The block on the ramp has a mass of 6 kilogram and the mass hanging by the rope has a mass of 2 kilogram. The coefficient of static friction is 0.4 and kinetic friction is 0.25, which direction is the blocks moving and are they accelerating? The angle of the ramp with the horizontal is 30 degree. Calculate what the tension in the rope?
a batter hits the ball along the 1st baseline with an initial velocity of 46.0 mph an angle of 63 degrees with respect
A uniform electric field, E = -50 N/C, fills a region of space. A partcicle with mass, m = 0.025 kg, bearing charge, q = 1mC, Determine where and when the particle crosses the x-axis
A river has a steady speed of 0.500 m/s. A student swimsupstream a distance of 1.00 km and swims back to the startingpoint. how long does the trip take
If the frequency of blue light is 6 x 10^14 cycles/second andits wavelength is 5 x 10^-7 m, find the speed of light by using dimensional analysis
A 768 kg car moving at 27 m/s brakes to a stop. The brakes contain about 16 kg of iron that absorb the energy. What is increase in temperature of the brakes
On an air track, a 400g glider moving to the right at2.00 m/s collides elastically with a 500g glider moving in theopposite direction at 3.00 m/s. Find the velocity of first glider after the collision
A bowling ball, which can be treated as a solid sphere with a diameter of 21.6 cm and a weight of 33 kg, The kinetic energy of the bowling ball is
Hakeem throws an 8.50 g ball straight down from a height of 2.0 m. The ball strikes the floor at the speed of 7.5 m/s. What was the initial speed of the ball? Suppose that air resistance is negligible.
At t=0, the water is turned off and the surface of the pipe is maintained at 40° from then on (neglect the wall thickness of the pipe). Find the temperature distribution in the water as a function of r and t.
a homemade capacitor is assembled by placing two 9 in. pie pans 7 cm apart and connecting them to the opposite
Two cars leave a stoplight, one 0.5128 s before the other. The second car accelerates with twice the acceleration of the first. What is the ratio of their speeds at that instant
Suppose a muon produced as a result of a cosmic ray colliding with a nucleus in the upper atmosphere has a velocity v = 0.9500c. What distance is this in the muon's frame
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