Calculate the amplitude and phase of the oscillation
A simple harmonic oscillator with frequency f= 2 Hz has initial conditions x(0)= 0.76m and v(0)= 0.31 m/s. Calculate the amplitude and phase of the oscillation as well as its maximum velocity and total energy.
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A 0.5-m3 rigid tank containing hydrogen at 20oC and 400 KPa is connected by a valve to another 0.5-m3rigid tank that holds hydrogen at 50oC and 150 KPa.
Heights of women have a bell-shaped distribution with a mean of 156 cm and a standard deviation of 8cm using the Chebyshev's theorem what do we know about the percentage of women with heights that are within 2 standard deviations of the mean? what
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 6.06 x 10-2 kg/s. The density of the gasoline is 738 kg/m3, and the radius of the fuel line is 2.46x10-3 m. What is the speed at which gasoline moves through the fuel line?
A mass on a string of unknown length oscillates as a pendulum with a period of 2.5 s. Parts a to d are independent questions, each referring to the initial situation. What is the period if:
The bar is loaded axially until it elongates 6.5mm, and then the load is removed. How does the final length of the bar compare with its original length?
Water exiting the condenser of a power plant at 38ºC enters a cooling tower with a mass flow rate of 4.5 x 107 kg/h. A stream of cooled water is returned to the condenser from a cooling tower with a temperature of 30ºC and the same flow
As a race car approaches a fan in the stands the fan hears the noise of the engine at 323 Hz. As the race car recedes from the fan the frequency that is heared is 278 Hz. Assuming the speed of sound in air is 343 m/s, how fast is the race care tra
Find the work done per pound of water during the expansion. Find the heat transfer per pound of water during the expansion. Find the value of the internal energy of the water after expansion.
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What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails
Question: Identify a true statement about validity as applied to a test. Multiple choice question
The purpose is to examine the psychological factors affecting how teenagers in an impoverished urban area spend their time outside of school using:
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
Describe the results, including any scores. Result: E6% Extraverted Action oriented, Outgoing, Expressive, Hands-On S17% Sensing Traditional,
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