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Question: What happens to the stopping potential and photocurrent if the frequency of the incident light is changed to ultraviolet?
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A block is weighing 100 Newton is pushed on a horizontal table at constant velocity by a 25 Newton force, oriented parallel to the table's surface. Find the coefficient of kinetic friction between book and table
Through a particular thunderstorm, the electric potential between a cloud and the ground is V cloud – V ground = 2.9 x 108 V, with the cloud being at the higher potential. What is the change in an electron's potential energy when the electron moves f..
Use the period of the earth (2.54 y), its mean orbital radius (1.496 × 10^11 m), and the universal gravitational constant (6.673 × 10^?11 N · m2/kg2) to calculate the mass of sun
A small ball of mass 0.60 kg is attached to one end of a 1.15 m long massless rod, and the other end of the rod is hung from a pivot
You and a friend are out hiking across a large flat plain and decide to determine the height of a distant mountain peak, and alsothe horizontal distance from you to the peak. In order to do this,you stand in one spot and determine that the sightli..
Consider an airplane of wing area 6.8 m^2 (both wings combined) flying through air of density 1.13 kg/m^3. What is the net upward lift force on the plane
In particular, if a 2.000Å (.2nm) photon interacts with the bound electron in an hydrogen atom (binding energy 13.6 eV) with a Compton collision. What is the energy of the scattered photon
An airplane has a speed of 250 km/hr and is climbing at an angle of 30o above the horizontal when it drops bomb. Determine how long was the bomb in the air
A 500 kg cart is at the top of a steep track. It rolls from rest down a 7 meter hill. How much potential energy does it have at the top of the hill
The Mariana trench is located in the Pacific Ocean at a depth of about 11,000 meter below the surface of the water. estimate the weight of a jetliner whose mass is 4.21 x 105 kilogram
It has been suggested that rotating cylinders about 9 meter long and 5.4 meter in diameter be located in space and used as colonies. Obtain what angular speed must such a cylinder have
An ac power generator produces 30 A rms at 3791 V. The voltage is stepped up to 108000V by an ideal transformer, What percentage of the power delivered by the generator
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