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If I have light of three different frequencies, 9.2x10^14 Hz; 6.7x10^14 Hz; 4.7x10^14 Hz that is shined on a metal surface with the observations for each frequency labled A,B, and C as follows:A: No photoelectrons observedB: Photelectrons with a kinetic energy of 255 kJ/mol observedC: Photelectrons with a kinetic energy of 109 Kj/mol observedWhich of these observations corresponds to which frequency of light? Explain
A projectile is ?red into the air from ground level over level ground. The initial speed of the projectile is 30 m/s, Where does the center of mass of the projectile land
While john is travelling along an interstate highway, he notices a 160 mile marker as he passes through town. Later John passes another mile marker, 119.
1. What are the differences between PSK and DPSK 2. What device can be used for generation of FSK signal
As the swimmer approached the Ontario shore, she encountered a cross current of 2 m/s [E 25 S]. Compute her velocity with respect to the crowd observing from the beach (with respect to the ground)
You ionize a tyrosine amino acid using a laser that has a wavelength of 146 nm. What is the ionization energy of tyrosine
A 6.30 x 10 -5 H solenoid is constructed by wrapping 54 turns of wire around a cylinder with a cross-sectional area of 6.4 x 10-4 m2. Determine the change in the length of the solenoid
A simple pendulum is swinging back and forth through a small angle, its motion repeating every 1.13 s. How much longer should the pendulum be made in order to increase its period by 0.34 s
Two small metallic spheres, each of mass 0.20g, are suspended as pendulums by light strings from a common point.
An asteroid orbits the Sun at a constant distance of 3.540e+11 meters. The Sun's mass is 1.99×1030 kg. What is the orbital speed of the asteroid
An electric field of 220000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of -10C at the spot.
A 80 bike racer climbs a 1500 -long section of road that has a slope of 4.3 degrees. By how much does his gravitational potential energy change during this climb
Illustrate what is the concentration of sodium and chloride ions at a distance 3 angstroms from protein surface.
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