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In this section assume the sound speed in air is 343 . A goose flying toward you at 12.4 emits a squawk, which you hear at 251 . Find the wavelength of the sound you hear. Find the wavelength of the sound you hear if the goose emits the same squawk while flying away at the same speed?
A steady beam of alpha particles (q = + 2e, mass m = 6.68 x 10-27 kg) traveling with constant kinetic energy 26 MeV carries a current of 0.34 µA. If the beam is directed perpendicular to a flat surface, how many alpha particles strike the surface i..
suposse that a ferrari and a porsche begin a race with a moving start and each moves with constant speed. one lap of
the right triangle with vertex P at the origin, base b, Determine the potential at the vertex P
Illustrate what is the speed of the three coupled cars after the collision? How much kinetic energy is lost in the collision?
If a spaceship orbits an asteroid with a radius of 800m, find the asteroid's moment of inertia in orbit
A horizontal force of 12 N pushes a .5 kg book against a vertical wall. The book is initally at rest. compute the magnitude of the frictional force
The density of air at standard temperature and pressure (STP) is 1.20 kg/m^3 how much mass could this balloon carry
A child is trying to throw a ball over a fence. She gives the ball an initial speed of 8.0 m/s at an angle of 40° above the horizontal. How far is the child from the fence
The path of a charged particle moving parallel to a uniform magnetic field will be:
A point charge Q is located at the center of a very thin, spherical metal shell. what is the electric potential of the shell
Robert has just bought a new model rocket, and is trying to measure its flight characteristics. how much work is done by the drag force on the rocket during its ascent
An object with a density of 461.0 kg/m3 and a mass of 2083.0 kg is thrown into the ocean. Find the volume that sticks out of the water
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