Physics, 29.11.2019 01:31 igobeastmode
Write the answer to this question. energy is measured in units called joules(j). suppose a roller coaster car starts with 78,000 j of potential energy. in a few seconds, it converts two-thirds of this energy into kinetic energy. as it takes a curve, the car doubles its kinetic energy. how much mechanical energy does the car now have?
Answers: 2
Physics, 22.06.2019 01:50
Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
Answers: 2
Physics, 22.06.2019 04:40
Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.
Answers: 3
Physics, 22.06.2019 08:00
Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.
Answers: 1
Physics, 22.06.2019 15:30
This is the number of complete movements of a wave per second.
Answers: 1
Write the answer to this question. energy is measured in units called joules(j). suppose a roller co...
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