Piece of iron is dropped into a container of water
Calculate iron's temperature changes when a 30-gram piece of iron is dropped into a container of water and gives off 165 calories in cooling. Can you show this using a formula with mass, calories and change in temperature?
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Calculate the change in entropy for one mole of a diatomic ideal gas (Cv = 5/2 nR) that is heated and compressed from 25.0°C and 10.0 L volume to 100.0°C and 1.00 L volume.
The bungee cord has an unstretched length of 27.0 m. To be safe, the bungee cord should stop George's fall when he is at least 2.00 m above the river. If George has a mass of 75.0 kg, what is the minimum spring constant of the bungee cord?
What is the critical value of z in the previous question? Report the critical value CLOSEST to your calculated z-score. (Answer to 2 decimal places.)
A wire forms a semicircle of radius R = 7.10 cm and two (radial) straight segments each of length L = 13.1 cm. The wire carries current i = 48.0 mA. What is the magnitude and direction of the net magnetic field at the semicircle's center of curvat
Determine the minimum initial velocity at which the ball must be kicked in order for it to just cross over the 3m high fence and determine the corresponding angle theta at which the ball must be kicked.
What is the probability that attendance will be 45,000 or more? What is the probability of attendance below 41,000? What is the probability of attendance between 39,500 and 46,000?
A long pair of wires conducts 23.7 A of dc current to, and from, an instrument. If the insulated wires are of negligible diameter but are 2.8 mm apart, what is the magnetic field d = 11.6 cm from their midpoint, in their plane.
The number of cases of tetanus reported in the U.S. during a single month in 1989 has a poisson distribution with a parameter of lambda= 4.5. 1. What is the probability that exactly one case of tetanus will be reported during a given month?
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What is poverty? And does it lead to discrimination? Explain the difference between prejudice, discrimination, and oppression?
As a researcher studying a community with a high level of substance abuse. Where do you locate your potential participants for the study?
Describe the community that your field placement or another community agency serves. What are its physical, social, and political dimensions?
How is it rational for the owner of a factory or plantation to work his laborers to death or disability when they can easily be replaced cheaply?
Uneven growth and inequality of/in the city under modern capitalism was a dominant 1970s urban theory associated with which of the following thinkers?
What is your unique social location? I am a 20-year-old, straight, white female, college student, living in Missouri, United States of America, and Christian.
theories to specific examples in Nathan McCall's life. Next, identify one potential limitation of the theory. (7+ sentences)