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At a dock, a crane lifts a 2094 kg container 14 m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, which is 9 m below the level of the dock.The acceleration of gravity is 9.81 m/s2. Neglect friction losses. How much work is done by the crane on the container?
How much work the power plant produces in a day. How much energy is discarded to low temperature source in a day.
A long distance power line is to carry 175 megawatts (1.25x10^8W) of alternating current power at distance of 15.0km at a peak voltage of 1.00MV and a frequency of 60Hz.
Provide your answer in m/s in scientific notation to three significant digits (i.e. 1.15*10^2)
Explain the valve minor loss coefficient and how you would go about determining K.
A force F applied to an object of mass m1 produces the acceleration of 3.10 m/s2. The same force applied to a second object of mass m2 produces an acceleration of 1.90 m/s2.
An airplane flies 200 km due west from city A to city B and then 265 km in direction of 27.5° north of west from city B to city C.
A parallel beam of light from a He-Ne laser, with wavelength of 644 nm, falls on two very narrow slits 0.05 mm apart. How far apart are the fringes in the center of the pattern on a screen 2.2m away.
Dan is gliding on his skateboard at 4. He suddenly jumps backward off the skateboard, kicking skateboard forward at 8.00 (as measured by an observer on the ground). Dan's mass is 60 and skateboard's mass is 5.00 .How fast is Dan going as his fee..
When a second pipe is played at the same time, a 1.40 Hz beat note is heard. By how much is the second pipe too long.
When a pulse is amplified in a linear amplifier, the charge carrier transmit time can cause.
A mass-spring system with a natural frequency of 3.7 Hz is started in motion with an initial displacement from equilibrium of 5.5 cm, What is the amplitude of the resulting motion
Two masses traveling at the same speed v0 collide head on. Nothing is known about collision other than that it is not completely inelastic.
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