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A 16.0 kg fish swimming at 1.40 m/s suddenly gobbles up a 4.50 kg fish that is initially stationary. Neglect any drag effects of the water. Find the speed of the large fish just after it eats the small one. How much mechanical energy was dissipated during this meal?
Xu is a new material discovered by a TA. The specific heat C and latent heat L of Xu are measured by heating up a piece of Xu sample. The temperature T (in K) of Xu sample varying as a function of heat Q (in 103 J) transferred to it.
Two 69 g ice cubes are dropped into 202 g of water in a thermally insulated container. what is the final temperature at thermal equilibtrium
At a particular instant an electron is traveling in the +y direction, with speed 7105 m/s. find the magnitude of the magnetic force on the electron
A copper rod 83.0 cm long and with a diameter of 1.3 cm is used to poke a fire. What is the rate of the heat flow through the rod
What's a new law of gravitation to replace F = GMm/r^2 at distances larger than some r-not, so that flat rotation curves occur without the need for dark matter? Any help with this would be greatly appreciated!
What was the bullet's speed as it left the barrel. A 1kg block rests against one end of a horizontal spring which is compressed by 10 $cm$.
To save on heating costs, the owner of a greenhouse keeps 580 kg of water around in barrels. What is the minimum ampere rating of an electric heating system
A proton, an electron and an a particle, accelerated through the same potential difference enter a region of uniform magnetic field, moving at right angles to B. what are the radii of the proton and the a-particle path
A parallel-plate vacuum capacitor with plate area A and separation x has charges +Q and -Q on its plates. The capacitor is disconnected from the source of charge, What is the change in the stored energy
Imagine holding the above plastic block under water. When released, what is the upward acceleration of the block
A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. find the distance (in m) between the cliffs
The Burj Khalifa in Dubai is the world\'s tallest building. The structure is 828 m (2,716.5 feet) and has more than 160 stories. how high is the hotel room from the ground
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