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A precious-stone dealer wishes to find the specific heat capacityof a 0.040-kg gemstone. The specimenis heated to 95.0°C and then placed in a 0.12-kg copper vessel that contains 0.086 kg of water at equilibrium at 25.0°C.The loss of heat to the external environment is negligible. Whenequilibrium is established, the temperature is 27.5°C. What is the specific heat capacity of the specimen?
A bottle made of ordinary glass has an internal volume of 1.0000 liter at 20.0 oC, At what temperature ( inoC, enter deg in the answer box) will water begin to overflow the bottle
Pitman Co's tax rate is 40% for 2013 an all future years. At the end of 2013, the following deferred tax account and balance that should be reported on Pitman's balance sheet is?
How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than as the car is stationary? The speed of sound is 343 m/s.
a 3.0 solid sphere radius 0.20 is released from rest at the top of a ramp and allowed to roll without slipping. the
An airplane is flying with a velocity of 91at an angle of 26 above the horizontal. When the plane is a distance 107 directly above a dog that is standing on level ground, a suitcase drops out of luggage compartment.
question a 15 g rifle bullet traveling 240 ms buries itself in a 3.9 kg pendulum hanging on a 2.9 m long string which
Use conservation of energy to determine the angular speed of the spool shown in the figure below after the 3.00 kg bucket has fallen 4.50 m, starting from rest. The light string attached to the bucket is wrapped around the spool and does not slip as ..
When a potential difference of 168V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of34.0nC/cm2. What is the spacing between the plates?
An electron with an initial speed of 342910 m/s is brought to rest by an electric field. What was the potential difference that stopped the electron
A comet of mass 4.5 E22 kg moving at 10000 m/s collides withthe earth, initially at rest, and stick. Find the final speed of the earth
Two runners start simultaneously from the same point on acircular track of length 205 m and run in the same direction. How far from the starting point will the fast one have run
A 2.50kg bucket containing 11.5kg of water is hanging from a vertical ideal spring of force constant 120N/m and oscillating up and down with an amplitude of 3.00 cm.
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