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A particular light photon carries an energy of 3 x 10-19 J. What are the frequency, wavelength, and color of this light?
A 17 g rifle bullet traveling 234 m/s buries itself in a 3.6 kg pendulum hanging on a 2.8 m long string, Determine the horizontal component of the pendulums displacement
1. a mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.94 cm. if the spring
A uniform electric field exists in the region between two oppositely charged plane parallel plates. Find the magnitude of this electric field
how long must the engine burn in order to reach this speed. What will be the equilibrium temperature when a 259 block of copper at 258 is placed in a 137 aluminum calorimeter cup containing 836 of water at 16.
The tension in a steel wire of 2.7m long and 1.0 cm in diameter (p = 7800 kg / m ^ 3) is 840 N. What is the fundamental frequency of vibration of the cable
Why is skiing into a wall of deep powder less hazardous to your health than skiing into a wall of bricks? Assume in both cases that you have the same initial speed and come to a complete stop.
On a banked race track, the smallest circular path on which cars can move has a radius of 106 m, compute the largest speed at which cars can move on this track without relying on friction
A dog running in an open field has components of velocity v_x = 3.2 m/s and v_y = -2.1 m/s at time t_1 = 11.6 s. For a time interval from t_1 = 11.6 s to t_2 = 19.7 s, the average acceleration of the dog has magnitude 0.30 m/s^2 and direction 35.0..
Two parallet wires separated by 7.0 cm repel each other with a force per unit length of 1.5 x 10^-4 N/m. The current in one wire is 3.0 A
A singly charged ion completes five revolutions in a uniform magnetic field of magnitude 4.86E-2T in 1.80 milliseconds. Compute the mass of the ion in kilograms
The intensity level of an orchestra is 82 dB. A single violin achieves a level of 70 dB. How does the intensity of the sound of the full orchestra compare with that of the violin’s sound? In other words, find the ratio.
a house sits in a valley and is 45 m lower than the water tower that serves it. what is the speed of water when it
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