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A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 9.20 cm. If the cork is 10.0 m from shore, how long does it take a ripple passing the cork to reach the shore?
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A 7.80-g bullet moving at 560 m/s penetrates a tree trunk to a depth of 5.2 cm. Use work and energy considerations to find the average frictional force that stops the bullet
You bike at 11.5 m/s directly away from your neighbor\'s trumpet sound and toward the sound of another neighbor\'s trombone, What frequency is the trombonist producing
Suppose that unpolarized light of intensity 144 W/m2 falls on the polarizer in the figure below, and the angle ? in the drawing is 28.5°
A coffee filter of mass 1.5 grams dropped from a height of 2 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter? begin from the Energy Principle, and choose as the s..
Light traveling in water strikes the boundary between two mediums at an angle of 35 degrees. what is the wavelength of the refracted light traveling at 1.85x10^8m/s
A 50.0kg crate is being pulle along a horizontal smooth surface. What is the magnitude of the normal force acting on the crate
An electron moves at a speed of 14000 m/s in a circular path of radius 2.4 cm in a solenoid. Find the strength of the magnetic field inside the solenoid
Two divers jump from a 5-m platform. One jumps upward at 1.90m/s , and the second steps off the platform as the first passes it on the way down. By how much does the first diver hit the water first (seconds)
A fellow student of mathematical bent tells you that the wave function of a traveling wave on a thin rope isy(x,t)= 2.10mm cos[( 6.96rad/m )x+( 744rad/s )t]. Determine the average power transmitted by the wave
Two charges, +q and -q, are located in the x-y plane at points (0,+d/2) and (0,-d/2), respectively. Calculate the magnitude of the electric field at point P with the superposition principle
q1. a toolbox is carried from the base of the ladder at point a. the toolbox comes to a rest on a scaffold 5.0 m above
Vector and scalar quantities. Part (a) Which of the following below is a scalar quantity? Part (b) What information do vectors quantities convey? Part (c) Which of the following is a vector quantity?
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