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denis23 [38]
3 years ago
10

It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box?

Physics
1 answer:
PIT_PIT [208]3 years ago
3 0

Answer:

Ans is 200 J

Explanation:

Given:  Force = 20N

            Distance = 10m

Work done  = Force * displacement

                    =  20 * 10

                    =  200 J

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A small 20-kg canoe is floating downriver at a speed of 2 m/s. 40 J is the canoe’s kinetic energy.

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The given canoe has the mass and is being given to move at a speed. Therefore the kinetic energy of the canoe can be calculated using the following method,

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Therefore, substituting the value into the equation, we get,  

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Answer:

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That corresponds to the second graph, where the level of the energy of the products in the graph is higher than the level of the energy of the reactants. Therefore, the conclusion is that the reaction <em>absorbed energy</em> and it is endothermic.

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