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The mean distance between earth and the sun is 1.50 x 10^11 m. The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W/m^2. Assuming the sun emits radiation uniformly in all directions; determine the total power radiated by the sun.
A daredevil plans to bungee jump from a balloon 72.0 m above a carnival midway. He will use a uniform elastic cord, What length of cord should he use
A man of mass 86.5 kg and density 970 kg/m3 stands in a shallow pool with 39.1 % of the volume of his body below water
A tennis ball gun launches tennis balls at 17.6 m/s . It's pointed straight up and launches one ball; 2.0 s later, What is the second balls' velocity at that point
a body of mass 0.1 kg is been rotated in a circular path of diameter 1 m on a frictionless horizontal plane bye means of a string. it performs 10 revolutions in 31.4 sec. calculate the centripetal force acting on the body
Light of wavelength 650 nm falls on a 0.48 mm wide slit and forms a diffraction pattern on a screen 1.8 m away.
Four identical cells, each of emf 2V are joined in parallel providing supply of current to external circuit consisting of two 15 ohm resistors joined in parallel, Calculate the internal resistance of each cell
Water is discharged from a large pump and travels at an average velocity of 48 ft/sec. What is the kinetic energy of each lbm of water leaving the pump
A 40.0 cm long organ pipe is filled with air at 0 degrees C and is open at both ends. What is the beat frequency between the fundamental frequencies of the two organ pipes
A system undergoes a two-step process. In the first step, the internal energy of the system increases by 228 J, What type of process is the overall process
Assume that we suddenly discovered that all these years we would be wrong about the distance from Earth to the Sun, and it is actually 10 percent greater than we would think. How would that affect our approximation of the distance to the Andromeda..
The box is open at the top and has edge length L = 66 cm. Find out (a) the x coordinate, (b) the y coordinate, and (c) the z coordinate of the center of mass of the box.
An asteroid has acquired a net negative charge of 128C from being bombarded by the solar wind over the years, How many more electrons does it have than protons
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