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a 15-kg block rests on a level frictionless surface and is attatched by a light string to a 5.0-kg hanging mass where the string passes over a massless frictionless pulley. if g=9.8 m/ sec squared, what is the tension in the connecting string?
Chuck Norris's razor blade has an output force of 2500 lbs is used to shear his burley face. The shaving blade has the 0.35 inch thick blade with a 55 degree slope.
A 5.25\; kg block starts at the top of a 12.1\; m long incline that has an angle of 10\deg to the horizontal. How much Kinetic Energy was lost in the collision
Suppose you need to rotate the plane of polarization of a plane-polarized beam of light by 90 degrees and produce only a 10% loss in intensity, Find the angle between the successive polarizers
The 1 kg block is tied to the wall with a rope. It sits on top of the 2 kg block. The lower block is pulled to the right with a tension force of 20 N. The coefficient of kinetic friction at both the lower and upper surfaces of the 2kg block is = 0..
What's the magnitude of the electric field at an on-axis point a distance of .7m from a ring of charge with a total charge of .8microC
a 1cm-tall object placed 20cm front of a concave mirror produces a virtual image that is twice the height of the object. what is the length of the mirror
A small package rests on the horizontal dashboard of a car. If ?s = 0.302, what is the minimum acceleration of the car
A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds. Determine maximum and minimum speeds of particles of the cord
A grating has 530 rulings/mm and is 5.4 mm wide. How many higher orders of maxima can be seen
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
A ball with a mass of 0.620 kg is initially at rest. It is struck by a second ball having a mass of 0.370 kg, find the change in the total kinetic energy of the two balls
A thin 12 cm long solenoid has a total of 490 turns of wire and carries a current of 1.9 A. find the magnitude of the field inside near the center.
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