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Alenkasestr [34]
3 years ago
9

A garage door opener has a power rating of 350 watts.

Physics
2 answers:
Lelechka [254]3 years ago
6 0
We Know, Power = Energy/Time
Substitute the known value. which is P = 350 watt, & T = 30 sec
350 = E/30 
E = 350 * 30
E = 1050 Joules.

So, your answer is 1050 Joules.
Hope this helps! Keep studying! 
34kurt3 years ago
5 0

Answer:

10,500 J

Explanation:

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