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1. If a wave traveling through air decreases its wavelength by half, describe what happens to the wave speed and frequency.
2. A transverse wave is traveling down a rope with mass, m = 10 kg, and length, L = 50 m. If the rope is under a tension force of 2000 N, calculate the wave speed of the transverse wave. Show your work.
3. If a slinky has a mass of 0.5 kg and 100 loops, calculate the mass density (m/L) of a slinky that is stretched 5 m, but only 80 loops are stretched. Show your work.
4. Cite one example when you have experienced the Doppler effect and explain how it represented this scientific principle.
question1later than the sun exhausts its nuclear fuel its ultimate fate will be to collapse to a white dwarf state. in
A carpenter on a space station has constructed a 30.0° ramp. A rocket moves past the space station with a relative speed of 0.720c in a direction parallel to side x. What does a person aboard the rocket measure for the angle of the ramp?
A 350 g aluminum cupcontains 750 g of water inthermal equilibrium with the cup at 65°C. At what rate is energy being removed
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 9.10 km below the surface. Find the fractional volume change in the spoon due to compression forces
Three 0.50 kg particles form an equilateral triangle with 0.60 msides. The particles are connected by rods of negligible mass. What is the rotational inertia of this rigid body about (a) an axis thatpasses through one of the particles and is paral..
Write an equation for a wave with a frequency of 2Hz, a wavelength of 30 m, and an amplitude of 75 cm
Imagine you are sitting in a room full of oxygen molecules at 300K. If the room has a volume of 1.2105 m3, what is the number of oxygen molecules in the room
A 10 cm diameter plastic disk is charged uniformly with 1011 electrons. What is the electric field at a point
An particle with a charge value of 0.21 C is moving in the presence of an electric field of 5.5 N/C. What force does the particle experience
A railroad whistle is sounded. An echo is heard 5.0 seconds later. If the speed of sound is 343m/s, how far away is the reflecting surface?
A 50 g marble moving at 2.0m/s strikes a 20g marble at rest. What is the speed of each marble immediately after the collision
A 5 kg point mass and a 4 kg point mass are attached to the end of a rod that has a mass 1 kg and a length of 1 meter. the system is rotating with an angular speed of 50 rpm about a vertical axis passing through the center of the rod.
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