Question

Mrs. Klein (59 kg) climbs a ladder to the top of the roof (3.8 m) in 18 seconds. Mr. Bruening (115 kg) completes the same task in 22 seconds and Mrs. Austin (55.5 kg) can do it in 15 seconds. Rake the teachers in order of the most powerful to the least.

Answers

bobpursley
power= m g h/time

can you compare them?
galina
em..kinda
galina
the answer doesn't need kinetic energy right?
'cause I thought since the speed is the velocity, so I kinda confusing about that
thxXD
Damon
No, just do mgh, assume no speed at top :)

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