Which of the following is a characteristic of science? (3 points) It asks questions about the natural world.
It asks questions that cannot be tested.
It is done by only one scientist at a time.
It uses opinions to make conclusions.

work: w = fd (given)

work done by chet   =50*1 = 50 j

work done by mika =40*2 = 80 j

work done by sara =30*1.5 = 45 j

work done by bill =60*0.5 = 30 j

students in order from the greatest amount of work done to the least is mika> chet> sara> bill

hence option (b) is correct.

answer: he got 23

explanation:

explanation:

newton's third law, for every action there is an equal and opposite reaction.

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