What is the final temperature of the mixture
A 500.0 g sample of water at 90 degrees C is mixed with 500.0 g of water at 30.0 degrees C. What is the final temperature of the mixture?
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A skier is accelerating down a 30.0 degree hill at 1.8 m/s^2. How long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 325 m?
A 10.5 kg uniform board is wedged into a corner and held by a string at a 50 degree angle. Calculate the tension in the string. Hint: take torques about the corner and assume any lenght for the board.
Which of these habits may have been a factor in how Samuel Adams and Thomas Hutchinson viewed the issues that led to the Boston Tea Party? How could they have overcome those habits?
Bernoulli"s principle provides lift to airplane wings and soaring birds. You might want to ask about this one in class. How does Bernoullis principle apply to the flight of airplanes?
It has been suggested that rotating cylinders about 12 mi long and 5.1 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall a
A jogger jogs around a circular track with a diameter of 275 m in 12 minutes. What was the jogger's average speed in m/s?
A 1500-kg car moving east at 20 m/s collides with a 1600-kg car moving south at 15 m/s and the two cars stick together. What is the velocity of the cars right after the collision?
What are three social psychological phenomena or processes that can be explained by one of the five core social motives. How can they be explained by this social motive, and how do they relate to one another?
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Question: Which statement best describes how geographic isolation can contribute to land animal speciation?
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Question: Which situation is the best example of gene flow in a population?
Question: According to the article, what causes water to become harmful to bacteria?
Biological impacts of climate change on humans and other species. Paper should be 5-7 pages, double spaced, Time New Romans, 12 font
Question: How might future global warming affect the distribution of species around the world?
An ecosystem has a warm temperature, a river runs through it and it has a wide variety of species that flourish in warm and humid areas