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The diagram shows a block of mass m resting on a smooth inclined surface of a 30 degree wedge of mass M, which in turn rests on a smooth horizontal surface. The system is released from rest. Show that the acceleration of the wedge is √3mg/(m+4M).
A heat engine does 180J of work per cycle while exhausting 440J of waste heat. What is the engine's thermal energy
A dare devil is shot out of a cannon at 45.0 degrees to the horizontal with an initial speed of 25.0 m/s. A net is positioned a horizontal distance of 50.0 m from the cannon.
When the space between two parallel plates is devoid of matter, the capacitance is .47 micro farrads. The dielectric constant is
While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 3.20 m, you throw a second stone straight down. Which initial velocity should you give the second stone if they are both to reach the ground at ..
Imagine trying to build a portion of a draw bridge as in the following. The side towers reach h=100 meters high above the road level. what is the total tension in the lift wire
A windmill has an initial angular momentum of 8220 kg•m2/s. Find the torque acting on the windmill
A 1 mF, a 2 mF, and a 3 mF capacitor are connected in series, the combination being connected across a 9 volt battery. Which capacitor has the greatest voltage?
The top plate is illuminated by monochromatic light of wavelength 544.1 nm. Determine number of dark parallel bands crossing the top plate (including the dark band at zero thickness along the edge of contact between the two plates).
A 430 gram rock is whirled on the end of a string 45 cm long which will break under a tension of 22 N. What is the radius of the circle of motion
There are four charges, each by a magnitude of 1.83C. Two are positive and two are negative. The charges are fixed to the corners of a 0.367-m square, one to a corner, in such a way that the net force on any charge is directed toward the center of th..
A positive charge of Q = 5.40 uC is fixed in place. From a distance of ri = 4.20 cm a particle of mass m = 5.50 g, What is the minumum distance rf between the two charges
A 200-g hockey puck is launched up a metal ramp that is inclined at a 30 degree angle. What speed does the puck have when it slides back down to its starting point
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