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In absence of air resistance, a ball of mass m is tossed upward to reach a height of 20.0 m. At the 10.0 m mark, the net force on the ball is:.
Answers: 2
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Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic
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Which of the following forces require physical contact? tension air resistance friction magnetic force applied force
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Research and discuss the aurora borealis in terms of electric charges, magnetic fields, and forces. which times of the year are best for seeing the northern lights, and where are the best places to view them? explain your answers. also identify links to good images. if you’ve ever seen the aurora borealis, describe your experience and note the time and place that you saw it.
Answers: 2
In absence of air resistance, a ball of mass m is tossed upward to reach a height of 20.0 m. At the...
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