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Answer the following question: Be sure to show all your work. Include formulae and units! EVERY TIME! Don't forget to give relevant diagram.
A 500-gm aluminium can holds 600 gm of water. How much energy must be used to completely boil away the water if the initial temperature of the can/water system is 300C? Suppose that as the water changes temperature, the can changes temperature so that it is always at the same temperature as the water.
One electron collides elastically with a second electron initially at rest. After the collision, the radii of their trajectories are 1.50 cm and 2.90 cm, Determine the energy (in keV) of the incident electron
The plates of a parallel-plates capacitor each have an area of 4.0cm^2 and are seperated by 0.02mm. The plates are charged with 30 uC, How much electrical energy is stored in the capacitor
A 4.10 g lead bullet traveling at440 m/s is stopped by a large tree. what is the increase in temperature of the bullet
Unpolarized light passes through two Polaroid sheets. The transmission axis of the analyzer makes an angle of 40.1° with the axis of the polarizer. What fraction of the original light is absorbed by the analyzer
The net force acting on an object in the horizontal direction is 25 newtons, Find the angle from the horizontal in which the force is acting
The longest "string" (a thick metal wire) on a particular piano is 3.0 m long and has a tension of 300.0 N. What is the total mass of the wire
a toy car of mass 2.0 kg moving to the right with a speed of 8.0 ms collides perfectly in elastically with another toy
a parallel-plate capacitor has plates separated by 0.76 .part a if the electric field between the plates has a
lady ate a whole medium size pizza storing up 120 food Calories. This energy is used to heat up 2 liters of water from a certain initial temperature to a final temperature of 80 deg.C, what was the initial temperature of the water?
A guitar string with a linear density of 2.0 g/m is stretched between supports that are 60 cm apart. What is the frequency of the fifth harmonic of this string
The flywheel of an engine has a moment of inertia 2.80 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
At the instant shown, the spring is unstretched and B is moving downward at 4 ft/s. Use conservation of energy to identify velocity of B when it has moved downward 2 ft from its current position.
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