Physics, 06.10.2020 14:01 aberiele1998
1. A penny is dropped from the top of a building 290 m high. Ignoring air resistance, if
the penny falls straight down, with what speed would it hit the ground?
identify two reasons why the speed with which the penny
hits the ground may not be exactly what is calculated and predicted.
Answers: 3
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What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest
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How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9
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2select the correct answer. javed suffers from a severe food allergy. which device should javed always carry? a. inhaler b. epi pen c. nebulizer d. insulin pen
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How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.
Answers: 1
1. A penny is dropped from the top of a building 290 m high. Ignoring air resistance, if
the penny...
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