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A 2.60 kg container made of silver is initially at room temperature 20 Degree C. 1.45 liters of warm water is poured into this container.
a. What is the total heat capacity of the silver container?
b. What is the total heat capacity of this amount of water? Isolated from the environment, the water and the container come to thermal equilibrium at 85 Degree c.
c. What was the initial temperature of the water? The container and water are now exposed to the environment and allowed to cool to room temperature, 20 Degree c.
d. What amount of heat flows out of this system in this cooling?
e. What amount (mass) of ice at -12 Degree c must be added to the water (now at room temperature) so that the final temperature of this system will be 5 Degree C?
(a) What is the x component of the net electrostatic force on particle 3. (b) What is the y component of the net electrostatic force on particle 3
in an experiment a shearwater a seabird was taken from its nest flown 5150 km away and released. the bird found its way
At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. what is the maximum allowed braking force
Catapults date from thousands of years ago, and were used historically to launch everything from stones to horses. Through a battle in what is now Bavaria, inventive artillerymen from the united German clans launched giant spaetzle from their catapul..
A 1.10 kg mass is attached to a light cord that is wrapped around a pulley of radius 7.30 cm, which turns with negligible friction. Themass falls at a constant acceleration of 2.35 m/s2. Find the moment of inertia ofthe pulley.
The mean (average) of their squares
2 radio antennas are 100m apart along a north-south line. Theybroadcast identical radio waves at a frequency of3.0MHz, what is the phase difference between the waves at this point
A horizontal beam of electrons initially moving at 3.4 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
The two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 2.1 104 N/C. An electron is launched at a 45° angle from the positive plate. What is the maximum initial speed v0 the electron can have witho..
A scooter moving at a speed of 10 metre per second is stopped by applying breaks which produce a uniform acceleration of,minus 0.5 metre per second square how much distance will be covered by the scooter before it stops .
A projectile is launched straight up at 53 m/s from a height of 86.5 m, at the edge of a sheer cliff. The projectile falls just missing the cliff and hitting the ground below. Discover the time it takes to hit the ground at the base of the cliff.
A 120-V rms voltage at 60.0 Hz is applied across an inductor, capacitor and a 100-%u03A9 resistor in series. what is the rms value of the current in this circuit
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