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Question: Light with wavelength of λ = 450 nm shines on a cesium sample, and a photoelectric current flows. With a retarding voltage of 0.85 V the current goes to zero.
a. What is the maximum kinetic energy of electrons emitted by the cesium?
b. Find the work function for cesium.
The rope slips out of Bubba's hands. The hay bale starts to swing. How long does it take for the hay bale to swing to the farthest distance from where it started (the farthest distance across the barn)?
A 40.0 kg wagon is towed upa hill inclined at 17.5° with respectto the horizontal. The tow rope is parallel to the incline and hasa tension of 140 N. How fast is the wagon going after moving 76 m up the hill
When B-10 is bombarded by neutrons, a neutron can be absorbedand an alpha particle emitted. If the B-10 target isstationary the kinetic energy of the reaction products is equal to
A point charge q_1 = 4.15 nC is located on the x-axis at x = 2.10 m , and a second point charge q_2 = -6.25 nC is on the y-axis at y = 1.00 m. What is the total electric flux due to these two point charges
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and the cloud to be the other plate, What is the capacitance of the system
In the Challenger Deep of the Marianas Trench, the depth of seawater is 10.9 km and the pressure is 1.16 x 10^8Pa (about 1.15 x 10^3 atm). What is the density of seawater at this depth
In the final part of its life cycle a particular rotating spherical star expands to four times its normal diameter. How is the period of rotation affected
The starter motor of a car engine draws a current of 160A from the battery. The copper wire to the motor is 4.80mm in diameter and 1.2 m long. How much charge passes through the starter motor
What is the electric field of a parallel plate capacitor that has q=+5.53 uC on one plate and q=-5.53 uC on the other plate. The area of each plate is 0.023m
A calculator is rated at 0.17 W when connected to 4.40 Volt batteries. Find the resistance of this device
Two prisms with the same angle but different indices of refraction are put together to form a parallel sided block of glass, What angle will the emerging beam make with the incident beam
if a curve with a radius of 74m is perfectly banked for a car traveling 71kmh what must be the coefficient of static
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