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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.
A 28.0 g object moving to the right at 18.0 cm/s overtakes and collides elastically with a 9.0 g object moving in the same direction at 15.0 cm/s. Find the velocity of each object after the collision
The buildup of plaque on the walls of an artery may decrease its diameter from 1.0cm to 0.85cm. Find the speed of blood flow within the plaque region
A .228g wires are stretched between two points 77.20 cm apart. The tension in the wire is 618N. Find the frequency of the first harmonic. Reply in units of Hz.
A model rocket with mass 1.62 kg starts from rest on the ground and accelerates upward with engine force 45.8 N. Find the work done by the rocket engine
Water flows at speed of 5 m/s through a horizontal pipe of diameter 3.4 cm. The gauge pressure P1 of the water in the pipe is 1.5 atm. A short segment of the pipe is constricted to a smaller diameter of 2.3 cm. What is the gauge pressure of the wa..
question a single isolated conductor can store charge. we can define its capacitance as the ratio of the charge to the
In the LC circuit below the capacitor is charged to its maximum 48 μC while the switch S is open. The switch is closed at t = 0. Find the energy stored in the inductor at t=T/4, where T is the period of circuit oscillations.
A basketball player makes a jump shot. The 0.60 kg ball is released at a height of 2.0 m above the floor with a speed of 7.2 m/s. What is the work done on the ball by air resistance
An electron has an initial, vertical velocity v0, y=.0001 c when it enters a uniform, horizontal electric field, E=0.5 x (x hat). how far will the electron be deflected
determine the index of the glass cube n glass by assuming n air=1 and using your measured angles theta 1 and theta2 in snells law
The radius of the hydrogen atom is 0.053 nm. What is the frequency of the circular motion of the electron in the hydrogen atom
A fishing boat in the ocean is moving at a speed of 27.0 km/h and heading in a direction of 40.0° east of north. How much time does the speedboat take to travel from the dock to the point where it intercepts the fishing boat
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