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You drop a stone into a deep well and hear it hit the bottom 3.10 s later. This is the time it takes for the stone to fall to the bottom of the well, plus the time it takes for the sound of the stone hitting the bottom to reach you. Sound travels about 343 m/s in air. How deep is the well?
A rifle is aimed horizontally at a target 47.0 away. The bullet hits the target 1.80 below the aim point. Evaluate the bullet's flight time? What was the bullet's speed as it left the barrel?
An engine has an efficiency e1. The engine takes input heat QH from a hot reservoir and delivers work W1. The heat rejected by this engine is used as input heat for a second engine.
One end of a 33cm long aluminum rod with a diameter of 2.8 is kept at 420C and the other is immersed in the water at 24C
A Fabri-Perot interferometer is to be used to resolve the mode structure of a He-Ne laser operating at 632.8 nm. What is the coefficient of finesse of the instrument
The suspension system of your 1200 kg car has a natural oscillation frequency of 2:00 Hz without functioning shock absorbers, At what speed are you driving
A 10 m long conductor is formed into a circle in the xy-plane. Find the magnetic flux through the looped conductor
A beam of quasimonochromatic light having an irradiance of 500 watts per square meter is incident in air, Determine the reflectance and transmittance
The weight of a star is usually balanced by two forces: the gravitational force, acting inward, and the force created by nuclear reaction, acting outward. compute the radius of the geostationary orbit for this neutron star?
A space heater, operating from a 120V line, has a hot resistance of 14Ω. At what rate electrical energy transfered into heat
A spacecraft is traveling with a velocity of v0x = 4330 m/s along the +x direction. Two engines are turned on for a time of 728 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.74 m/s2.
What is the volume flow rate through the smaller pipe? answer in m^3/ second.
A 8.00 kg bullet traveling at 475 m/s embeds itself in a 1.69 kg wooden block at rest on a frictionless surface. Find the amplitude of the subsequent simple harmonic motion
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