20/meter/minut into km/sec
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To convert 0.720 km to meters, you simply multiply the value by 1000 because 1 kilometer is equal to 1000 meters. Therefore, 0.720 km is equal to 720 meters.
The speed of light in a vacuum is 3.00 x 10^8 m/s. To convert this to kilometers per second, divide by 1000 to get 3.00 x 10^5 km/s. In 8 hours, there are 8 x 3600 = 28800 seconds. The distance the pulse travels is speed x time, so it would be 3.00 x 10^5 km/s x 28800 s = 8.64 x 10^9 km.
Yes. The speed of sound in a medium depend on the (sq root of the elastic modulus/ the density).The speed of sound in a few metals are :-Beryllium with a speed of about 13 km/sec. (the highest)Potassium has a velocity of sound of about 2km/sec. - (soft metal)Lithium, has a sound velocity of about 6 km/sec.( the lightest metal)Copper a fairly dense but soft metal has a sound velocity of about 3.8km/sec.Osmium about 4.9 km/sec. (The densest metal)Magnesium about 4.9 km/sec. a light metal, but stiff.
In km/ seconds: 10km=r= radius Circumference = 2(Pi)(r) = 20km(Pi) = 62.83185307 The laser is making 10 sweeps/ second so times the answer by ten. 200(Pi) km/sec or 628.3185307 km/sec *If you have to go by sig. figs. 600 km/sec. If you don;t know what sig. figs. are ignore this.
a) For a frequency of 3 kHz, the wavelength is less than 1 km, approximately 100 km. b) For a frequency of 3 kHz, the wavelength is 100 km. c) For a frequency of 3 kHz, the wavelength is more than 1 km, approximately 300 km.