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In the figure a block slides along a path that is without friction until the block reaches the section of lengthL = 0.710 m, which begins at heighth = 1.70 m on a ramp of angleθ = 35.0 °. In that section thecoefficient of kinetic friction is 0.430. The block passes throughpoint A with a speed of 10.0 m/s. If the block can reachpoint B (where the friction ends), what is its speedthere, and if it cannot, what is its greatest height aboveA?
The mass of the barge is 9000 kg, and its acceleration is 0.15 m/s2 down the canal. Illustrate what are the magnitude and the direction of the force on the barge from the water?
In the All-Alaska ice Floe Softball finals, the right fielder for the Nome IceSox (who is floating on a small chunk of ice in still water) makes an outstanding catch of a line drive. what is the final heading of the fielder just after the ball is c..
Two electrons in the same atom both have n = 9 and = 3. (Keep in mind that the electrons are indistinguishable). How many different states are possible
A tourist drops a rock from rest from a guard rail overlooking a valley. What is the velocity of the rock at 4.0s? What is the displacement of the rock at 4.0s? Suppose the tourists threw the rock with an initial velocity of 8m/s down. determine the ..
A 954 kg drag race car accelerates from rest to 113 km/h in 0.919 s. What change in momentum does the force produce
The current in an electron beam in a cathode-ray tube is measured to be 20 uA. How many electrons hit the screen in 10 seconds
A spherical shell has an outside radius of 2.45 cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.74 g/cm3. What is this maximum mass
A hiker walks 3.50 km at an angle of 45.0 degrees north of west. After that the hiker walks 1.5 km south. What is the magnitude and direction of hiker's totally displacement.
X-rays having an energy of 350 keV undergo Compton scattering from a target. The scattered rays are detected at 37.0° relative to the incident rays. Find the energy of the recoiling electron
A block of mass M is sliding down a rough inclined plane with constant velocity v. Find an expression for the angle theta
A trunk of mass m = 1.100 kg is pushed a distance d = 32.0 cm up an incline with an angle of inclination theta = 26.0 ° by a constant horizontal force P = 150. N. find the work done on the trunk by the gravitational force
You let a ball roll from rest from the top of a ramp sitting on a table. If the top of the ramp is 14 cm above the top of the table, how fast is it moving when it reaches the bottom
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