Finding the wave frequency
1) A travelling wave train has a wavelength 0.5m, speed 20m/s. Find the wave frequency.
2) Approximately what fundamental frequency (in Hz) would you expect to hear as a result of blowing across the top of an empty 30cm high bottle?
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A 0.14 kg pinecone falls 17m to the ground, where it lands with a speed of 12 m/s. a) How much work was done on the pinecone by air resistance? Use two significant figures.
Suppose two 200.0 L tanks are to be filled seperately with the gases Helium and Hydrogen. What mass of each gas is needed to produce a pressure of 135atm in it's respective tank at the temperature 297K
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Sketch a phasor diagram (not to scale). Calculate current phasors IR, IL and IT, the impedance ZRL, and the angle (theta).
(a) How long does it take the boat to reach the buoy? (b) What is the velocity of the boat when it reaches the buoy?
A professor would like to utilize the normal distribution to assign grades such that 5% of students receive A's. If the exam average is 62 with a standard deviation of 13, what grade should be the cutoff for an A? (Round your answer.)
An electron has a velocity of 1.81×104 m/s (in the positive x direction) and an acceleration of 2.11×1012 m/s2 (in the positive z direction) in uniform electric and magnetic feilds. If the electric field has a magnitude of 17.9 N/C (in t
Assume that it takes a college student an average of 5 minutes to find a parking spot in the main parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes.
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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