If the units of your answer are kg ∙ m2/s3, which of the following types of quantities could your answer be?
2 answers:
Answer:
D. power
Explanation:
kg represents mass
(m/v)² represents velocity squared
Then kg·m²/s² represents mass·velocity² = <em>kinetic energy</em> or <em>potential energy</em> or <em>work</em>.
kg·m²/s³ will be the <em>rate of doing work</em>, which is power
Answer:
D. Power
Explanation:
Power is defined as “time rate of change in energy”. So,
P = W/t
P = (kgm^2/s^2)/s
P = kgm^2/s^3
Now,
Units of potential Energy = units of kinetic energy = units of work = Fd = kgm^2/s^2
Units of force = F = ma = kgm/s^2
Hence,(D) Power is the right answer
.
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Hope this helps
