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A block of mass m = 10 kg is pushed across a rough table with a force applied at an angle of 28o with respect to the horizontal direction and with a magnitude of 25 N. If the block slides at constant velocity, what is the work done by friction as the block moves 2.0 m across the table? Give your answer in Joules to three significant digits.
Evaluate the electrostatic energy of two opposite charges
A circular loop of flexible iron wire has an initial circumference of 167 cm, Find the magnitude of the emf induced in the loop after exactly time 7.00 seconds has passed since the circumference of the loop started to decrease
A major leaguer hits a baseball so that it leaves the bat at a speed of 28.5 and at an angle of 36.9 above the horizontal. You can ignore air resistance. At what two times is the baseball at a height of 9.00 above the point at which it left the bat?
An aircraft with a mass of 889 kg accelerates from 0 to 95 m/s in 8.1 seconds, What is the kinetic energy of the aircraft when the aircraft launches
An airplane starting from airport A flies 304 km east, then 364 km at 35.5° west of north, and then 150 km north to arrive at last at airport B.
A small ball rolls off the roof edge with a horizontal speed of 3.2m/s. The ball hits the ground a distance of 12.6m from the building's base. Calculate the hieght of the building
A rotating door is made from 4 rectangular glass panes. The mass of each pane is 85 kg. Determine the magnitude of the doors angular acceleration
Two forces act on a block of wood. The first force has a magnitude of 8.66 N in a direction 12.0 degrees counterclockwise from the positive x-axis, What is the magnitude of the resulting force
A typical power plant uses some fuel as the source of heat (QH) to drive a heat engine that does work (W) to drive a generator that is connected to the electrical grid. Inevitably, waste heat (QC) is dumped into a river or lake. Analysis of the pl..
Having trouble figuring out the total time it takes for something following the path of a brachistochrone. Starting at some point along and falling due to gravity to the lowest point. Equation I have is (a^.5/g^.5)*(1-cos(t))^.5/(cos(t_o)-cos(t))^.5 ..
What is the direction of E for points. find the balls initial speed.
Two point charges, q1 = 2.0 pC and q2 = -2.0 pC, are separated by 5.6 µm. What is the dipole moment of this pair of charges
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