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A ball is attached to a horizontal cord of length L whose other end is fixed
(a) If the ball is released, what will be its speed at the lowest point of its path?
(b) A peg is located a distance h directly below the point of attachment of the cord. If h = 0.84L, what will be the speed of the ball when it reaches the top of its circular path about the peg?
To confirm whether composition is right or not, what kind of method should he use? (He wants to analyze without destruction of samples. Ferroelectrcs (Bi,La)4Ti3O12 is an insulator.
A uniform 1-kg disk with a radius of 25 cm rolls 2 m down an incline plane angled at 25°. What is the speed of the disk at the bottom of the plane
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How much extra distance, x, does the skeet travel because of the collision? How much higher did the skeet go up?
Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). How far apart are the half-kilogram marks on the scale
Two lenses, one converging with focal length 22 centimeter and one diverging with focal length 12 centimeter are located 25 centimeter apart. Obtain the magnification of the final image formed
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A large positively-charged object with charge q = 3.75 ?C is brought near a negatively-charged plastic ball suspended from a string of negligible mass. what is the angle the string makes with the vertical
If the ball is released from rest at a height of 0.78m above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? suppose the ball is a solid sphere of radius 2.3cm and mass 0.14k..
A metal conduit will be used as a pathway for wiring through a concrete block. What is the volume of metal in the conduit in cubic centimeters
What is the efficiency of an engine that has 2200 J of heat added during combustion and loses 1000 J of heat in the exhaust?
The distance between two successive minima of a transverse wave is 2.57 m. Five crests of the wave pass a given point along the direction of travel every 12.4 s. Find the frequency of the wave
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