A2.0 g marble is fired vertically upward using a spring gun. the spring must be compressed 3.1 cm if the marble is to just reach a target 19 m above the marble's position on the compressed spring. (a) what is the change δug in the gravitational potential energy of the marble-earth system during the 19 m ascent? (b) what is the change δus in the elastic potential energy of the spring during its launch of the marble? (c) what is the spring constant of the spring? (a) number enter your answer for part (a) in accordance to the question statement units choose the answer for part (a) from the menu in accordance to the question statement
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Chemistry, 22.06.2019 13:00
Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these
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How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
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Chemistry, 22.06.2019 21:30
Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?
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A2.0 g marble is fired vertically upward using a spring gun. the spring must be compressed 3.1 cm if...
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