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An 3kg body is fastened to a weightless rod 3meters long to form apendulum. What is the increase in the potential energy of the body when it is pulled aside until the rod makes an angle of500with the vertical?
venturi tube is a device made to measure pressure differences as the fluid (air density = 1.2kg/m^3) flows through a constriction. calculate difference in the level of mercury
An astronomical telescope has an angular magnification of -144, What is the focal length of the eyepiece
2 moles of ideal gas are kept at 57C while it expands to twice its volume. The work done by the gas = 3.8 kJ What is the change in entropy of the gas
Refer to your DRAFT Hypothesis and Design. Review the "Scientific Method Tutorial" (all six parts) found in "Science Learning Center" in "Course Resources" in the "Course Content" area of our electronic LEO classroom. Did you apply these concep..
Early in the morning, when the temperature is 5.0?C, gasoline is pumped into a car's 51-Lsteel gas tank until it is filled to the top. How much gasoline spills out in this case
A man stands on the roof of a 19.0 -tall building and throws a rock with a velocity of magnitude 30.0 at an angle of 42.0 above the horizontal. find the max height above the roof reached by the rock
An automobile traveling at 15.0 km/h along a straight, level road accelerates to 65.0 km/h in 6.00 s. What is the magnitude of the auto's average acceleration
If a four engine jet accelerates down the runway at 2m/s2 & one of the jet engines fails, how much acceleration will the other three produce?
Planet Z is 7000km in diameter. The free-fall acceleration on Planet Z is 10.0m/s2, What is the free-fall acceleration
you were directed to measure the angle of reflection when the ray was incident on either side of the normal to the
Two radio antennas are separated by 2.00 m. Both broadcast identical 750MHz waves. If you walk around the antennas in a circle of radius 10.00 m, how many maxima will you detect.
Air in a piston-cylinder device is compressed from 25°C and 100 kPa to 500 kPa during a polytropic process for which Pv1.3 = constant. The air temperature after compression is
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