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Q: Which is the longest time 7500 seconds 750 minutes or 10 hours?

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60 minutes = 1 hour so 7500 minutes = 7500/60 = 125 hours. Simple!

125 hours.

seconds I assume. 7500/60 is 125 mins

7500 meters per 10 seconds = 750 meters per second = 2,700 km per hour. That's a fast dog.

Although most of the time power is measured in Watts, it can also be expressed as Js-1. So in your question, you are given the amount of joules and the time in hours. First, convert 5 hours to seconds. There are 60 mins in an hour and 60 seconds in a minute. So that's going to be 5x60x60 = 18000 seconds Now all you do in divide the number of joules by the number of seconds to work out the power. So that's 7500/18000 = 0.41666666666... approximately, 0.42Js-1(2dp) and thats the same as 0.42W (2dp)

35 minutes

300040% of 7500= 40% * 7500= 0.40 * 7500= 3000

25% of 7500= 25% * 7500= 0.25 * 7500= 1875

1.75% of 7500= 1.75% * 7500= 0.0175 * 7500= 131.25

67% of 7500 = 67% * 7500 = 0.67 * 7500 = 5025

3% of 7500 = 3% * 7500 = 0.03 * 7500 = 225

12% of 7500= 12% * 7500= 0.12 * 7500= 900

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