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what's the answer?

1000 km/hr = _____ m/s

2006-12-16 18:36:30 · 9 answers · asked by harlequingurrl 2 in Science & Mathematics Physics

9 answers

1000 km/hr * 1000m/km * (1/60) hr/min * (1/60) min/s = 277.78 m/s

2006-12-16 18:39:59 · answer #1 · answered by mark_r_m 1 · 0 1

CANCELLATION OF UNITS
Set up your solution like this:
1000 km/hr x (1/km x 1000 m) x (hr x 1/60 min) x (min x 1/60 sec)
Then cancel the units (e.g. unit/unit = 1)
Hint:
1 km = 1000 m
1 hr = 60 min
1 min = 60 sec
English and metric equivalents (if you need them sometime):
1 mi (mile) = 1.6 km = 1,528 ft
Consequently, your conversion will yield a term like in algebra, e.g. numeric and literal coefficients, 1000000/3600 m/sec. The answer is: 277.78 m/sec
Your Physics textbook explains this method very clearly.

2006-12-16 19:03:15 · answer #2 · answered by Anonymous · 0 0

1 km = 1000 meters
1 hr = 3600 seconds

100 km/hr = 1000 * 1000 m / 3600 sec

2006-12-17 02:45:27 · answer #3 · answered by Renaud 3 · 0 0

at the same time as replacing metric to metric, you may basically bypass the decimal factor the superb perfect kind of places both to the right or left. for instance: 3.40 5 kg = 3450 g the decimal replaced into bypass 3 places good or 254.3 mL = 0.2543 L the decimal is moved 3 places to the left at the same time as replacing metric to U.S. accepted, decimal factors at the on the spot are not used. The approaches which will nicely be utilized are both utilizing proportions or dimensional diagnosis. for instance: Convert 10 mL to teaspoons on condition that 5 mL = a million tsp utilizing proportions: x tsp/10 mL = a million tsp/5 mL --> x tsp = 2 tsp utilizing dimensional diagnosis: x tsp = 10 mL (a million tsp/5 mL) = 2 tsp

2016-11-30 21:08:45 · answer #4 · answered by ? 4 · 0 0

Uhh, do you mean meters per second or miles per second?

You mentioned metric converting and I am not sure what you are converting to.

2006-12-16 19:42:06 · answer #5 · answered by Walking Man 6 · 0 0

621

2006-12-16 18:47:16 · answer #6 · answered by MARLON SEPPALA 4 · 0 1

1000km/h = 1000000m/s

There are 60*60 =3600s /hour

So the speed is 1000000/3600=277;8 m/s

2006-12-16 18:40:55 · answer #7 · answered by maussy 7 · 1 0

One thousand kilometers per hour are one million meters per hour. (1,000 km/h = 1,000,000 m/h

2006-12-16 18:44:26 · answer #8 · answered by Canadiankid 2 · 0 1

277.7m/s

2006-12-16 18:55:51 · answer #9 · answered by HAPPY BOY 4 · 0 0

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