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A 0.60 kg piece of aluminium at a temperature of 180 C is dumped into 900 mL of water at a temperature of 30 C.
A. What's the final equilibrium temperature?
B. How much heat flowed in this process?
A 23 kg boom of length 6 m is supported by a cable that has a breaking tension of 1200N. The cable is perpendicular to the boom and is attached 4.5m from the pivot. What is the utmost load that can be suspended from the end of the boom.
A double slit experiment produces 25 highlight spots with total distance y = 21cm, What is the wavelength of the laser source
The Sun is a low mass star and so would never have the core fusion reactions of massive stars. Yet, the Sun has iron in its atmosphere, as well as gold, silver and other elements much heavier than iron and why?
What is the bound charge on the surface of the cavity? Is this result consistent with the total bound charge being zero?
An initially uncharged air-filled capacitor is connected to a 4.01-V charging source, Find the capacitor's potential difference and charge after the insertion
The orbit of a Moon about its planet is approximately circular, with a mean radius of 4.87 × 10 8 m. Find the mean orbital speed of the Moon
A 0.058 kg aluminum bullet traveling at 481 m/s strikes an armor plate and comes to a stop. what is the bullet's temperature change in degrees Celsius
An object 1.0 cm high is placed on the optical axis of a 10 cm focal length lens, 18 cm from the lens. Find the location, size, and orientation of the image
A rower can row at 3.77 m/s in still water. He wants to row directly across a river 252 wide with a constant current of 1.33 m/s. calculate how long will it take him to cross the river
The work done by an external force to move a -7.75 µC charge from point a to point b is 25.0 ? 10-4 J. What is the magnitude of the potential difference between a and b
A college student renting in a home has a circuit box capable of drawing only 25.0 A before blowing a fuse. With the common wall voltage of 120 V, calculate the maximum power that this home may use
A pendulum is made by suspending a .1kg meter stick through a pivot locaed .3m from one end. Find the period of small oscillatons
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