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Question 16minules Fand 40 Iseconds? in | day 2hours; 10 seconds are How many 11400 second 2,200 = second 94,240 second 223,840 = secondths response ave...

Question

Question 16minules Fand 40 Iseconds? in | day 2hours; 10 seconds are How many 11400 second 2,200 = second 94,240 second 223,840 = secondths response ave

Question 16 minules Fand 40 Iseconds? in | day 2hours; 10 seconds are How many 11400 second 2,200 = second 94,240 second 223,840 = second ths response ave



Answers

Perform each conversion. $2,400$ seconds to hours

Okay, We're gonna burn 2400 seconds into ours, and we can't do this directly. Sort of go from seconds to minutes. Two hours. So we're gonna start with what we're given with which is 2400 seconds. We're gonna put minutes on top because that's what we want to keep seconds on bottom, cause that's what we want to cancel. We know that for every one minute there are 60 seconds. So now we can cancel that and not worry about it and move on. We're gonna put hours on top because that's what we want to keep minutes on bottom, cause that's what we want to cancel. You know that for every one hour there are 60 minutes and so it can also cancel and divide. I'm going to cross out the zeros. So it's now just going to be 24 over 36. And so now we can simplify, and I'm gonna start just simplifying by twos because I find that to be easiest. Okay, so 24 divided by two is 12 36. Divided by two is 18. We can divide that by two again. So six, this is nine and divide these both by three. It's going to be, too, and that's going to be three. And so now we can't simplify any longer, so our final answer is going to be 2/3 hours.

In part a were asked to convert two weeks into microseconds. So let's start by writing out what we've got. We've got two weeks and let's go ahead and multiply this by seven days per week and then let's go ahead and multiply that by 24 hours per day and then not multiply that bye 60 minutes per hour. And then we'll multiply that by 60 seconds per minute and then we'll multiply that bye 10 to the six microseconds per normal second. And if we go ahead and calculate that out, we see that two weeks is equal toe 1.2 times 10 to the 12. That's micro seconds. Okay? Yeah, moving on to be. We're starting with 38.1 eat per second. Let's multiply that by about zero 0.3 m per 1 ft and then we'll go ahead and now we have meters per second. So now let's go ahead and multiply that by 1000 m, her second or sorry, that's meters, not per second. That's meters per one kilometer and now we're going Now we have the exact opposite of what we should be working with. My apologies. This is why you double check your work as you go. So we're going to multiply that by one kilometer per 1000 m. That'll get us kilometers per second. And now we go ahead and multi this by 60 seconds per one minute and then multiply that by 60 minutes per one hour and we get a final result of 41 0.8 kilometers per hour. Okay, Last question. Now we're starting with 554 meters to the fore. Her day kilogram. All right, now, let's go ahead and take this and we want to convert the meters 2 ft. So let's start by multiplying this by 1 ft per 0.3 meters and taking that to the power of four. Yeah, and that's going to get us feet per day. Kilogram. Now we're gonna multiply this bye one day per 24 hours and then multiply that by one hour per 60 minutes and that will get us units of minutes on. The last thing we have left to convert is kilograms, £2. So we multiply this by 1 kg. Her £2.2 and that gets us a fun result of 20 0.2 quadratic feet. Mhm her minute pounds

So we need to find seconds in a year nanoseconds in a year. And then, um, how many years in a second? So we'll say one year. Well, multiply this by 365 days for every one year, 24 hours for every one day, 3600 seconds for every one hour. And this is equaling 3.154 times, 10 to the seventh seconds per year. Now we can multiply this so this would be your answer Part A and part B. We'll find it in nanoseconds. So will be 3.154 times 10 to the seventh seconds per year. And there will be times 10 to the ninth nanoseconds for every one second. And we have three 0.154 times 10 to the 16th nanoseconds per year. At this point, we can say how many years per second, so we can simply say one year divided by 3.154 times 10 to the seventh seconds, and this is going to equal 3.17 times 10 to the negative eighth years per second part B. And this will be C. And that's the end of the solution. Thank you for watching

Question about converting keel a seconds into minutes and hours. The book is making the point that we use minutes and hours instead of kill a second, just because that's what we're used to. So 20 kilo seconds. I remember that kilo represents 1000 would be 20,000 seconds. And how maney minutes would that be? Well, we went to convert from seconds two minutes, and we know that one minute has 60 seconds. And, um so we're going to multiply our vices 20,000 seconds by 1/60 year divide 20,000 by 60. We crossed those two units off they would cancel out, and that will give us the number of minutes, which is 333 0.333 minutes. But I'll just write 333.3 now, um, it's not clear I'm going to assume that there's two significant digits here cause it says 20 so that would give us 330 minutes. And then we're gonna convert 330 minutes toe hours and again. We're gonna put minutes down here and hours up here and one of our equal 60 minutes. So we're gonna cancel the minutes there. Ah, and that gives us, uh, 5.5 five hours and again, we have to significant digits to 20. So we'll convert that to 5.6 hours. All right, so 330 minutes or 5.6 hours.


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