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Type: Posts; User: Ldobry7554
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Thank you!
This is what I got:
QSteam=(.148Kg)(2260J)=2260J
QIce=(1Kg)(335J)=335J
So .148Kg+1Kg=1.48
W=1.48(9.8)=14.5
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How does the pressure at a point in a fluid vary with the depth of the point below the surface of the fluid? A bottle, full of air at atmospheric pressure, whose volume is 500 cubic centimeters, is...
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A particle moves from rest and has impressed a uniform velocity of 10 meters per second parallel to one side of an equilateral triangle, and a uniform acceleration of 10 meters/sec2 parallel to an...
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The cross section of the tube of a mercury barometer is 1 square centimeter, and when the barometric height is 760 millimeters, 6 centimeters of the upper end of the tube is empty. When a bubble of...
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A balance, the beam of which is 30 centimeters long and weighs 40 grams, is deflected through 1° by an excess of 1 milligram in one of the pans. What is the distance of the center of gravity of the...
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Thank you!
So for Height at 2 seconds I got: s=19.6(2) + (-9.81)(2)^2=19.58
Potential Energy at 1 Seconds= (.2)(9.8)(14.695)=28.8
Potential Energy at 2 Seconds=(.2)(9.8)(19.58)-38.5
...
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A wire, of length 250 centimeters, and radius 0.3 millimeters is stretched by hanging on a weight of 12 kilograms, and the elongation produced is 8 milimeters. Calculate the value of Young's modulus...
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Steam at 100 degrees C is passed into a vessel containing 1 kilogram of ice at 0 degrees until the ice is just melted. Find the weight of the water formed.
Any idea what equation I would use to...
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A stone weighing 0.2 kilograms is thrown vertically upwards with a velocity of 19.6 meters per second. Neglecting the friction of the air, calculate the kinetic and potential energy it possesses at...
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I'm not quite sure what you are saying. Would I just make it 45 N and 60 N once I sum them up? Sorry I'm really awful at physics it doesn't make sense to me.
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What power is required to push a train weighing 110,000 kilograms up an incline of 1 in 100 at 20 kilometers per hour, all frictional resistances being neglected?
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Find the force, which, together with the following forces, will produce equilibrium when they all act in a plane of a particle: 15 Newtons due North, 20 Newtons Northwest, 30 Newtons South, and 40...
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A body is in equilibrium under the influence of three forces. Two of these forces act in directions inclined at 60 degrees. To one another and their magnitudes are 40 N and 30 N respectively. Find...
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