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A grating with 396 lines/mm is illuminated with light of wavelength 343 nm. What is the angular separation between the two m = 2 bright spots? A) 7.79° C) 23.6° E) 32.9° B) 15.8° D) 31.5°
Does the length of the Guy West Bridge ever change? Estimate the difference in the length of the footbridge between the hottest and coldest day of the year. estimate the length of the bridge
q1. a rectangular block of ice 13 m on each side and 1.4 m thick floats in sea water. the density of the sea water is
A single force acts on a 4.4 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.8t - 4.6t2 + 1.3t3
The fundamental frequency of an open organ pipe corresponds to the A above middle C (440 Hz on the chromatic musical scale). What is the length of the open pipe
A communications satellite with a mass of 430 is in a circular orbit about the Earth. Calculate the gravitational force exerted on the satellite by the Earth when it is in orbit
Unpolarized light of intensity I_0 is incident on a stack of 7 polarizing filters, each with its axis rotated 15 (degrees) cw with respect to the previous filter. What light intensity emerges from the last filter
A positive charge of 4.90mC is fixed in place. From a distance of3.40 cm a particle of mass 5.60 g and charge +3.10 mC is fired with an initial speed of 74.0 m/sdirectly toward the fixed charge.
A 1000 kg experimental rocket sled on a level frictionless rail is loaded wiht 50kg of propellant. It exhausts the propellant in a 20-s "burn". If rocket, initially at rest, moves at 150m/s after the burn, what impulse is experienced by the rocket..
Which of the following statements is true for an elastic collision?
A 410 W Carnot engine operates between constant-temperature reservoirs at 98°C and 49°C. find the rate at which energy is exhausted by the engine as heat
a friend passes by you in a spacecraft traveling at a high speed. he tells you that his craft is 20.0 m long and that
A ball of mass 5.8 kg and radius 13 cm rolls without slipping horizontally at 5.6 m/s and hits a spring attached to a wall. What is the maximum change in length of the spring
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