Lenny wrote the steps he used to find the mass of an object with 400 J of energy moving at a velocity of 8 m/s. 1. Find the square of 8 m/s, which is 64 m2/s2. 2. Divide kinetic energy, 400 J, by 64 m2/s2, which is 6.25 J per m2/s2. 3. Divide 6.25 J per m2/s2 by 2 to get a mass of 3.125 kg. Which best describes Lenny’s error? In Step 1, he should have found the square root of 400 J instead of squaring 8 m/s. In Step 1, he should have multiplied 8 m/s by 2 instead of squaring it. In Step 2, he should have divided 64 m2/s2 by 400 J instead of dividing 400 J by 64 m2/s2. In Step 3, he should have multiplied 6.25 J per m2/s2 by 2 instead of dividing it by 2.

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this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.