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Simon can climb up the balcony (5.11 m) in 4.2 seconds. What is Simon’s power?
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41 votes
41 votes
Simon can climb up the balcony (5.11 m) in 4.2 seconds. What is Simon’s power?

User Ken Herbert
by
3.0k points

1 Answer

8 votes
8 votes

Answer:

77.3W (to 3sf)

Step-by-step explanation:

weight = mass × gravtaional field strength

= 6.35kg × 10N/kg

= 63.5N

weight = force = 63.5N

work done = force × distance

= 63.5N × 5.11m

= 324.485J

power =
(work done)/(elapsed time)

=
(324.485J)/(4.2s)

= 77.3W (to 3sf)

User Graham Hannington
by
3.0k points
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