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A neodymium-glass laser emits short pulses of high-intensity electro magnetic waves. The electric field of such a wave has an rmsvalue of Erms=2.0E9 N/C. Find the average power of each pulse thatpasses through a 1.6E-5 m2 surface that is perpendicularto the laser beam.
Agent Arlene devised the following method of measuring the muzzle velocity of a rifle. She fires a bullet into a 4.600-kg wooden block resting on a smooth surface, What is the speed v of the bullet
What is inductance of the solenoid
An astronaut orbiting the Earth is preparing to dock with a Westar VI satellite, Determine the speed of the satellite
A police car is moving towards you at a speed of 36.0 m/s. Its siren produces a frequency of 850 Hz. What frequency do you hear after it passes by you
Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 3.75-kg book. how fast do you then slide across the ice
A laser used in cutting or drilling metals produces 10 ns pulses at 1.00 J per pulse. What is the peak power of each pulse
As two boats approach the marina, the velocity of boat1 relative to boat 2 is 2.36 m/s in a direction 40.8° east ofnorth. what is the magnitude of the velocity of boat
a glass lens nglass 1.52 has a 134 nm thick anti-reflective film nfilm 1.39 on one side. light moving through the air
Water flows at 0.51 m/s through a pipe14 cm in diameter when the pressure is175000 Pa. Determine the waterspeed & pressure in the pipe at this point.ρwater = 1000 kg/m3
a wave on a string is described by d x t 2.00sin12.57radmx-638radst where x is in m and t is in s. the linear
A parallel beam of light with an energy flux S of 10 W/cm2 falls for 1 hour on a perfectly reflecting plane mirror of 1.0 cm2 area. what force acts on the mirror
A fan on a car engine is running at an operating speed of 1500RPM when it experiences an angular deceleration of 42.5 rad/s2 for30.0 revolutions. (a) determine the final angular speed of the fanin rpm (b) how long does it take to reach this speed?
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