Question

A device does 400J of work in 20 seconds. Calculate the power of the device

Answer 1

Explanation:

p =w/t

p = 400/20

= 20 watt

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Answer 2

❄️ Answer :

• Power = 20 Watt

❄️ Given :

• Power = ?
• Work = 400 J
• Time = 20 seconds

❄️ Solution :

$\blue{ \underline \blue{ \underline{ \pink{ \boxed{ \purple{ \rm Power \: = \: \frac{Work~done }{Time} } }}}}}$

$\large\twoheadrightarrow \: \: \tt \dfrac{400}{20} \\ \\ \large \twoheadrightarrow \: \: \tt20 \: Watt$