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Questions:
1) A force of 80 N is used to pull a block at an angle of 60 degrees above the ground. If the block moves 5 meters along the direction of force, how much work was done on the block? Show work.
2) The kinetic energy of a small boat is 15000 J. If the boat's speed is 5.0 m/s, what is its mass? Show work.
3) How far must a spring with a spring constant of 85 N/m be stretched to store 0.22 J of potential energy? Show work.
4) The gravitational potential energy of a person on a 4 m high diving board is 1800 J. What is the person's mass? Show work.
5) To move a suitcase up to the check in stand at an airport, a student pushes with a horizontal force through a distance of 0.95 m, If the work done by the student is 320J, what is the magnitude of the force? Show work.
Consider these three insects: butterflies, bees, and aphids. Compare and contrast anatomical structures that relate to their feeding behaviour, locomotion, and
What do you think will be the effect of this kind of guarantee on prices in that industry? Are these kinds of guarantees good for consumers?
Visit the Centers for Disease Control and Prevention (CDC) Website, located at http://www.cdc.gov/about/24-7/index.html, and explore the section on the CDC in action.
How would your RDEE change in 10 years if all of the other variables stay the same? Include your calculations. What does this means for caloric requirements as
What is homeostatics? what are the problem of homeostatics?
Name two proteins that are required in each stage of translation in eukaryotic cells. Briefly explain each protein's function.
Understanding the behavior of infection and illness in one person can be a challenge. But infection and illness that has spread can be catastrophic.
Complete the following Lab Exercises in the Word document. Keep in mind you must use quotation marks if you include sentences that are word for word from the lab manual, textbook, or animations.
Lakes would suffer a nutrient depletion in surface layers. Evaluate the sizes of the different digestive organs in the earthworm. Which organ is the main? How does its size make it well suited for its function.
What are the general advantages of conducting a mix-methods study, rather than two or more different studies, to address a single research question?
What is the benefits of breastfeeding
What is your interpretation of the results above describing wolves in North America? Can you predict the likely evolutionary fate of hybrids and the parental species? How could you test your ideas?
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