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A stone with a mass of 0.800 is attached to one end of a string 0.700 long. The string will break if its tension exceeds 65.0 . The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Find the maximum speed the stone can attain without breaking the string.
While preparing tea water in a mine shaft deep underground, you notice that water boils at 105 C. what is your depth below the surface
Find out the rotational inertia of this object (a) about an axis through the center of the triangle and perpendicular to its plane (b) and about an axis that passes through one vertex and the midpoint of the opposite side.
What is the total negative charge, in coulombs, of all the electrons in a small 1.05{\rm g} sphere of carbon? One mole of C is 12.0{\rm g} , and each atom contains 6 protons and 6 electrons.
A 4.0 ohm resistor is connected in parallel with a 12 ohm resistor and both of these are connected to a DC power supply with voltage V. what is the current through the 4.0 ohm resistor
A fireman d = 49.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of ?i = 27.0° above the horizontal, at what height will the stream of water strike the building
A muon (an elementary particle) enters a region with a speed of 4.90 106 m/s and then is slowed at the rate of1.20 1014 m/s2
A charge of +6.0µC experiences a force of 2.0 mN in the +x-direction at a certain point in space. What was the electric field there before the charge was placed there
A ball is dropped from a hot air balloon that is accelerating upward at 10 ft/sec2. What is the acceleration of the ball upon its release
A listener is standing in front of two speakers that are producing sound of the same frequency and amplitude, except that they are vibrating out of phase, find the frequency of the sound coming from the speakers
A modern microscope is equipped with a turret that has three objectives with focal lengths of 16 mm, 4.0 mm, and 1.6 mm, What are the greatest and least magnifications possible
As the drawing illustrates, two disks with masses m1 and m2 are moving horizontally to the right at a speed of v0. They are on an air-hockey table, find the velocity of disk 2 at that moment
A mass-spring system oscillates with an amplitude of 5.50cm. If the spring constant is 247N/m and the mass is 584g, determine the mechanical energy of the system
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