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By means of a rope whose mass is negligible, two blocks are suspended over a pulley, as the drawing shows. The pulley can be treated as a uniform solid cylindrical disk. The downward acceleration of the 44.0-kg block is observed to be exactly one-half the acceleration due to gravity. Noting that the tension in the rope is not the same on each side of the pulley, find the mass of the pulley.
in a system over thee corner of a table with a frictionless mass less pulley. where block a is on the table with block
A 320 hp car engine can deliver that maximum power at 7000 rpm. What is the engine's torque at that speed
In a double slit experiment, monochromatic light of wavelength 660 nm passes through a pair of slits separated by 3.40 x 10-5 m. find the angle corresponding to the first bright fringe
Conclude a rough "scale factor" or "plate scale." Measure the distances in mm or cm between each of the marked wavelengths and average the results.
The plates of a 3.5nF parallel-plate capacitor are each 0.21m^2 in area. how thick is the sheet
A particle known as a pion lives for a short time before breaking apart into other particles. Suppose a pion is moving at a speed of 0.993c, What is the lifetime according to a hypothetical person who is riding along with the pion
A solid 2.5 kg ball with a radius 30 cm sits at top of ramp which is at an angle of 30 degrees from the floor. How much energy does the ball have at the bottom of the ramp
A 2.6-kg 10-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. Find the magnitude of the torque exerted by the rope
A traveler first drives 18.8 km east, then 31.8 km southeast, and finally 11.1 km south. Find the traveler's total displacement
When she stands 3.5m from you, what is the height of her image formed on the retina of your eye, What is the height of her image when she is 4.5 m from you
A place kicker must kick a football from a point 31.0 m (= 33.9 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. How much does the ball clear the crossbar
The coefficient of kinetic friction
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