Physics, 08.01.2020 04:31, superkitty003
Which of the following phrases best describes the term scientific model?
a. the application of scientific knowledge to make predications about an object, system, or process
b. a physical copy of a scientific object, system, or process
c. a simplified representation used to explain or make predications about something
d. an experiment in which variables are controlled
Answers: 1
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Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work
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You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
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Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)
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Which of the following phrases best describes the term scientific model?
a. the applic...
a. the applic...
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