Physics, 10.07.2019 12:30 reginaakerson230

It is known that a shark can travel at a speed of 15 m/s. how far can a shark go in 10 seconds?

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Physics, 22.06.2019 13:40, crayons18

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.

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Physics, 23.06.2019 16:00, queenkimm26

Two point charges lie on the x axis. a charge of + 2.30 pc is at the origin, and a charge of − 4.50 pc is at x=−11.0cm. what third charge should be placed at x=+26cm so that the total electric field at x=+13.0cm is zero? express your answer to three significant figures and include appropriate units.

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Physics, 24.06.2019 00:50, adenmoye0910

Water at p1 = 20 bar, t1 = 400oc enters a turbine operating at steady state and exits at p2 = 1.5 bar, t2 = 240oc. the water mass flow rate is 4000 kg/hour. stray heat transfer and kinetic and potential energy effects are negligible. determine the power produced by the turbine, in kw, and the rate of entropy production in the turbine, in kw/k.

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Physics, 24.06.2019 00:50, Qwerty2771

Scientists studying an anomalous magnetic field find that it is inducing a circular electric field in a plane perpendicular to the magnetic field. the electric field strength 1.5 m from the center of the circle is 6.5 mv/m.