.i) Taw UI Muun.A boy of mass 40 kg walks up a flight stairs to a vertical distanceof 12m, in a time interval of 40 s. At what rate is the boy doingwork against force of Gravity?1. Iringa fara15 NHAM

.i) Taw UI Muun.A boy of mass 40 kg walks up a flight stairs to a ve

1.	.i) Taw UI Muun.A boy of mass 40 kg walks up a flight stairs to a vertical distanceof 12m, in a time interval of 40 s. At what rate is the boy doingwork against force of Gravity?1. Iringa fara15 NHAM
Answer» k done by the BOY against the force of GRAVITY is provided by his potential energy, i.e.,Then the RATE of WORK done by the boy, i.e., his POWER, is,

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.i) Taw UI Muun.A boy of mass 40 kg walks up a flight stairs to a vertical distanceof 12m, in a time interval of 40 s. At what rate is the boy doingwork against force of Gravity?1. Iringa fara15 NHAM​

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.i) Taw UI Muun.A boy of mass 40 kg walks up a flight stairs to a vertical distanceof 12m, in a time interval of 40 s. At what rate is the boy doingwork against force of Gravity?1. Iringa fara15 NHAM