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A 108 gcube of ice at 0°C is dropped into 1.0 kg of water that wasoriginally at 72°C. What is the final temperature of the water after the ice has melted?
°C
A rocket fires two engines simultaneously. One produces a thrust of 615 directly forward while the other gives a thrust of 474 at an angle 39.6 above the forward direction.
A 92-kg man's thighbone has a relaxed length of 0.52 m, a cross-sectional area of 6.9 10-4 m2, and a Young's modulus of 1.0 1010 N/m2. By how much does the thighbone compress
Two loudspeakers in a plane, 6.0 apart, are playing the same frequency. If you stand 14.0 in front of the plane of the speakers, What is the frequency of the sound
A bus with a vertical windshield moves along in a rainstorm at speed V relative to the ground. At what angle do the raindrops strike the windshield
A 4.80 kg object is released from rest while fully submerged in a liquid. The liquid displaced by the submerged object has a mass of 3.25 kg. How far and in what direction does the object move in 0.250 s, assuming that it moves freely and that the dr..
What is the magnitude of the torque about the point where the beam is bolted into place.
Consider a 0.200kg pendulum bob that is in an upright circular cylinder with a 0.0193 diameter, Draw a free body diagram and calculate the tension and the centripital acceleration at the bottom of the pendulum's swing
An 82 g arrow is fired from a bow whose string exerts an average force of 95N on the arrow over a distance of 77.00 cm. What is the speed of the arrow as it leaves bow.
Identical point charges of +1.6 ?C are fixed to diagonally opposite corners of a square. Find the sign and magnitude of the third charge
Water is flowing at 100 lbm / s in a circular drain pipe of 1 m in diameter. This 1 meter diameter pipe comes to an abrupt constriction when the diameter suddenly reduces to 1.5 feet, Find the velocity of the water in both pipes
Positronium is a hydrogen atom with the proton replaced by a positron (like electron, but w/ positive charge). Calculate E1 for positronium.
What will be the equilibrium temperature while a 238 block of copper at 230 is placed in a 133 aluminium calorimeter cup containing 831 of water at 16.0.
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