How temperature and humidity affect the speed of sound
The speed of sound does not depend on the loudness or the frequency of sound. The speed of sound in dry air 0 degree celsius is 330 m/s. Explain how temperature and humidity affect the speed of sound.
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An electric heater plugged into a 115-V AC outlet uses an average electric power of 1200 W. What are the maximum instantaneous power and the minimum instantaneous power?
Name the principle that accounts for the change in pitch as the train approaches and departs the crossing and explain how the principle works.
An observer on earth measures the first to have a speed .85c and observes the second to be 1.48 times as long as the first one. What is the speed of the second spaceship?
Beth, who died in January 2012, was survived by her husband, Ben. Beth and Ben were married in 1996. Beth's federal gross estate was equal to $6,000,000 on the date of her death.
At the time of his death in January 2013, Dick owned real estate in the name of Dick and his sister Ellen, as joint tenants with right of survivorship. Dick and Ellen purchased the property in 2010.
Your eye (diameter 2.5 cm) is able to focus the image of a tree on your retina. The tree is 24 m tall and 85 m away. What is the size of the image of the tree on your retina? (Be careful about the sign of the image size.) Show your work.
A parallel plate capacitor has 2.5cm^2 plates that are separated by 2mm in a vacuum. If a potential difference of 100V is connected to the capcitor, calculate its capacitance and charge on each plate?
A closely wound coil has a radius of 6.30 cm and carries a current of 1.70 A. How many turns must it have if, at a point on the coil axis 6.30 cm from the center of the coil, the magnetic field is 7.00 10-4 T?
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In one paragraph discuss the following. the ethical and/or conflict issues presented in this scenario. Explain what a professional boundary means.
Throughout a typical day, I make a range of decisions, from simple, routine choices to more complex, value-based ones. A low-stakes decision
Fix and condence this based on the symptoms reported by client such as feelings of sadness, hopelessness, and a lack of interest in activities
There are two views for how to manage processes across a supply chain. Research these two views both in your textbook and on the internet
I completely agree with the emphasis on the significance of our digital footprints as they play a crucial role in shaping our job prospects
Describe 1 cyber threat, such as phishing or social engineering that you have experienced or read about.
Imagine you are a marketing specialist for a virtual vacation company. Your company sells virtual reality experiences of popular destinations for people