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A pulsed laser emits light in a series of short pulses, each having duration of 24.6 ms. the wavelength of the light is 630 nm and the average power of each pulse is 4.83 mW,. Compute the energy of each pulse.
A 6 kg box is held at rest by two ropes that form a 30 degree angle with the vertical. and external for F acts vertically downward on the box.
A car with a mass of 930 and a speed of = 19.0 approaches an intersection, as shown in the figure . A 1270 minivan traveling at is heading for the same intersection. The car and minivan collide and stick together. The direction of the wreckage aft..
The angular velocuty of the elctron in the lowest Bohr orbit of the hydrogen atom is about 4*10^16 s^-1. Determine the Larmor frequency in a field of 2 T
A projectile is shot horizontally at 65.3 m/s from the roof of a building 24.4 m tall. Determine the distance from the base of the building that the projectile lands
how do the phase angle and current change as the resistance changes in a circuit where the frequency stays constant?
A 600g model rocket is on a cart that is rolling to the right at a speed of 3.0m/s. At what horizontal distance left of the loop should you launch
The amplitude of a periodic wave is described by theequation Ao cos4 (kx - wt). find the Fourier spectrum of this wave
A laboratory electromagnet produces a magnetic field of magnitude 1.53 T. A proton moves through this field with a speed of 5.42 106 m/s. What is the magnitude of the maximum acceleration of the proton
A spring-loaded gun fires a 0.080-kg puck along a tabletop. If instead it only rises to a height of 5.00 m because of friction, what is the change in mechanical energy
A cylindrical copper rod and an iron rod with exactly the same dimensions are welded together end to end. What is the temperature at the midpoint where the rods are joined together
an object with mass m 6.5 kg is moving with a constant velocity along the y axis v08.4 ms. suddenly a force along the x
Consider the NaCl molecule, for which the moment of inertia is 1.30 x 10-45 kg·m2. what are the allowed Raman-scattered wavelengths
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