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A string, 0.2 m long, vibrating in the n = 4 harmonic, excites an open pipe, 0.89 m long, into second overtone resonance. The speed of sound in air is 345 m/s. The velocity of transverse waves in the string, in SI units, is closest to:
An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. What is the speed vfinal of the electron
A hunter aims directly at a target (on the same level) 84.2m. If the bullet leaves the gun at a speed of 193 m/s, by how much will it miss the target.
The distance between a carbon atom (m = 12 amu) and a nitrogen atom (m = 14 amu) in a CN molecule is 0.1 nm. How far from the carbon atom is the center of mass of the atom
How far will it travel before becoming airborne
A childs toy consists of a spherical object of mass 50 attached to a spring. What is the potential energy of the toy when the spring is compressed 3.5 from its equilibrium position
A 1200-kg car carrying four 88 kg people travels over a "washboard" dirt road with corrugations 4.3 m apart. The car bounces with highest amplitude while its speed is 13 km/h. While the car stops, and people get out, by how much does the car body ..
a car is driven along a circular track. the track road is flat. the car starting from rest increases its speed
Consider 10 air molecules in an otherwise empty room. Find the probability that exactly four molecules are in the front third and exactly six in the top half, exactly three molecules are both in the front third and the top half (that is, the same mol..
A ball moving at a speed of 3.0 m/s hits an identical stationary ball. what is the velocity and direction of the incoming ball after the collision
What focal length does the lens need. Find out the electrostatic force exerted on one sphere by the other.
The equation of a transverse wave traveling along a very long string is y = 5.0 sin (0.055 ?x + 6.0 ?t), compute the amplitude of propagation of the wave
a body that has a mass of 1 kg and is moving 2 m/sec has an inelastic collision with a body that has a mass of 100 kg and is moving 0 m/sec. what is the their final velocity
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