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Calculate the rate of decreasing in the sun mass of the solar constants .Is. = 1400 j/(m^2.s),, the mass of sun is 2 x 10^30 kg and the distance among the sun and the earth is 1.49 x 10^8 km.
Solar const (the avg of solar energy incident in 1 sec on 1 square meter of the earth) ..
Calculate the period T and the tension in the string F as a function of the angle. Compute the moment of inertia of this system for an axis that passes through the combined center of mass and is perpendicular to the plane of the rings.
A proton has a kinetic energy of 8.5 MeV. If its momentum is measured with an uncertainty of 4.0%, what is the minimum uncertainty in its position
When 22.1 J was added as heat to a particular ideal gas, the volume of the gas changed from 37 cm3 to 60 cm3 while the pressure remained constant at 1.2 atm. By how much did the internal energy of the gas change
An electric field of 16000 N/C is directed along the positive x-axis. What is the electric force on an electron in this field
It takes the elevator in a skyscraper 4.5s to reach its cruising speed of 12m/s. What is the passenger's weight before the elevator starts moving
At low frequencies the dielectric constant of a medium is 4.4. The speed of light is 2.998 × 108 m/s. Find the speed of low-frequency radio waves in the medium
A goldfish is swimming inside a spherical bowl of water having an index of refraction n = 1.333. How many centimeters behind the glass
The bellow of a territorial bull hippopotamus has been measured at 110 dB above the threshold of hearing
the parallel-plate capacitor used on each key of a computer keypad is a square 0.5 cm on a side. between the plates is
Find the horizontal component of the force exerted on the rod by the hinge and Find the vertical component of the force exerted on the rod by the hinge.
A 47.0-g golf ball is driven from the tee with an initial speed of 50.0 m/s and rises to a height of 25.6 m. Neglect air resistance and determine the kinetic energy of the ball at its highest point
A jet of water squirts out horizontally from a hole near the bottom of the tank, Assume that x = 1.22 m and y = 1.55 m. What is the speed of the water coming out of the hole
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