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Two traveling sine waves, identical except for a phase difference of phi, add so that their superposition produces another traveling wave with the same amplitude as the two component waves. What is the phase difference between the two waves?
Consider an electron constrained to travel in a one-dimensional box of length L. What is the length L of the one-dimensional box
An electron is observed moving 50 percent of the speed of light, v = 1.5 *10^8m/s. What is the relativistic mass of the electrong
An artillery shell is fired with a minimal velocity of 470m/s at 50o above the horizontal. To clear an avalanche, it explodes on a mountain side 38 s after firing.
Draw the displacement for the father and son.
A 66 kg solid sphere with a 14 cm radius is suspended by a vertical wire. What is the period of the oscillations
An irrigator uses the (old-fashioned) concept of plant available water to determine the irrigation water quantity needed to irrigate a 10 ha field, How much water does the irrigator need to apply
A mass of 0.5 kg is suspended from a spring, which stretches by 8 cm. The support from which the spring is suspended is set into sinusoidal motion. At what frequehcy would you expect resonant behavior?
A 10,000 kg railroad car is rolling at 2 m/s when a 4000 kg load of gravel is suddenly dumped in, What is the railroad car's speed
Two carts are involved in an inelastic collision. The dynamics cart A with mass 0.88 kg hits the collision cart B with mass 0.550 kg (initially at rest). What is the initial kinetic energy of the two carts
An 85-g arrow is red from a bow whose string exerts a constant force of 105 N on the arrow over a distance of 75 cm. Illustrate what is the speed of the arrow as it leaves the bow?
An electron moves into a uniform magnetic field B = 0.182mT with initial speed with v = 12000m/s, What is the radius of the helical motion
A 15-kg block rests on a level frictionless surface and is attached by a light string to a 5.0-kg hanging mass where the string passes over a massless frictionless pulley
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