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You heat a 0.45 kg sample of metal to a temperature of 80 degrees then quickly transfer it into a beaker that contains 0.70 kg of water at 15 degrees. The specific heat capacity of water is 4200 J/kg degree. The highest temperature of the sample plus the water is 21 degrees. What is the heat capacity of the sample of metal.Can you show me how to do it? I need to see what I did wrong.
You fly your 15 m spaceship, parallel to the ship's length with a speed of c/3 to your friend. How long is your spaceship as observed by your friend
Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest
two pieces of optically flat glass n 1.50 touch at one edge and a separated by a thin stretched fiber at the opposite
4.60g of nitrogen gas at 22.0?C and an initial pressure of 3.30atm undergo an isobaric expansion until the volume has tripled. A) How much heat energy is transferred to the gas to cause this expansion
What characterizes constant velocity motion on a position-time graph, on a velocity-time graph, and on a acceleration-time graph?
A spring is extended by 30mm when a force of 1.5 N is applied toit. if the spring was unstretchedbefore applying the mas calculate the loss in the potential energyof the mass
A block of weight w = 25.0N sits on a frictionless inclined plane, which makes an angle theta = 29.0^\circ with respect to the horizontal, as shown in the figure. (Figure 1) A force of magnitude F = 12.1N , applied parallel to the incline, is just..
A proposed ocean thermal-energy conversion (OTEC) system is a heat engine that would operate between warm water (26°C) at the ocean's surface, What is the maximum possible efficiency of the system
an electron with an initial speed of 4.50times105 rm ms is brought to rest by an electric field. what was the potential
find the net force magnitude and direction acting on a 0.5c charge due to a 3c charge 1.2 meters away at an angle of 30
A string oscillates according to the equation below. y = (0.30 cm) sin[(?/3 cm-1)x] cos[(20? s-1)t] , What is the distance between nodes
A binary star in the constellation Orion has an angular separation between the stars of 10^-5radians. if lambda=500nm, what is the smallest aperture (diameter) telescope
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