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1. The spectrum of white light doesnt have all possible frequencies. (T/F)
2.The energy of a photon is inversely proportional to its frequency.(T/F)
3.What is the energy of a photon with frequency of 2x1014Hz? h=6.6x10-34J.s
4. An electron jumps from the third level to the first level in hydrogen atom. What is the energy of the emitted photon?
A 1.0 kg hollow ball with a radius of 0.08 m, filled with air, isreleased from rest at the bottom of a 2.2 m deep pool of water. How high above the water does the ball shoot upward
two identical conducting spheres each having a radius of 0.500 cm are connected by a light 1.90 m long conducting wire.
You are driving down a straight road at speed of 90 km/h and see another car approaching you at speed of 110 km/h along the road, how fast is the other car approaching you
A bicyclist makes a trip that consists of three parts, each inthe same direction (due north) along a straight road. During thefirst part, she rides for 22 minutes at an average speed of6.50 m/s. During the second part, she rides for 36 minutes ata..
A high-speed flywheel in a motor is spinning at 500rpm when a power failure suddenly occurs. The flywheel has mass 35.0kg and diameter 73.0cm. At what rate is the flywheel spinning when the power comes back on
A city planner is working on theredesign of a hilly portion of a city. calculate the maximum steepness of a hill
Calculate the time it takes the sled to travel 21 m down the slope and draw a free-body diagram for the sled sliding down the slope.
The buildup of plaque on the walls of an artery may decrease its diameter from 1.1 cm to 0.81 cm. Find the speed of blood flow within the plaque region
a subatomic particle of mass m at rest decays into a photon with an energy of 38m moving in the x direction and a
At very fast car races the sound of the engine as a car approaches is much different than when it passes you. How fast would the car need to be going to have the change in frequency be one octave
a lump of platinum is extruded through a die with diameter of 0.1 cm resulting in a cylindrical shape and a net
two 2.50 cm x 2.50 cm plates that form a parallel-plate capacitor are charged to 0.706 .a. what is the potential
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