With what speed will helicopter hit the ground
A helicopter is traveling at 40 m/s at a constant altitude of 100 m over a level field. If a wheel falls off the helicopter, with what speed will it hit the ground? (air resistance negligible)
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7 g helium at 50 kPa and 200 K (ideal gas, M = 4, k = 5/3) are compressed polytropically in a quasistatic process with pv1.8 to 600 kPa. Find the final temperature of helium. find the work and heat interactions.
A jogger runs halfway around a circular path with a radius of 60 m. What are the magnitude of the displacement and the distance jogged?
Show that heat transfer during a process in which there is no work done by or on a system is independent of path.
The ball is in its trajectory for a total interval of 3.00 s before the third baseman catches it at an equal shoulder-height level. (Assume air resistance negligible.) What is the ball's horizontal displacement?
Why is the world record greater than the apparent ability of the pole-vaulter on the basis of a simplified conservation-of-energy analysis?
Estimate the length of time that the U.S. coal reserves of 2.5 × 1015 kg will last if they are used exclusively to provide 100 percent of the U.S. energy demand at a thermal efficiency of 35 percent.
The highest mountain on Mars is Olympus Mons, rising 22 000 m above the Martian surface. If we were to throw an object horizontally off the mountain top, how long would it take to reach the surface? (ignore atmospheric drag forces and use g Mars =
A large midwestern state administers a statewide mathematics exam that has an average of 500. A researcher is designing a study to test the idea that students from charter schools score higher than average on the test.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult