1h = 3600s
54km/h = 54km/3600s
2s x 54km/3600s = 0.03km
100 meters/9 seconds = 40 kilometers per hour = 24.85 miles per hour (rounded)
45 kilometers per hour is the same as 27.9 miles per hour.
You can't figure "acceleration" from this information. Maybe you meant "Deceleration"? Ask again.
just divide your km/h by 3600, the number of seconds in an hour.
0.51 kilometers/second (1 mile/1.609 kilometers)(3600 seconds/1 hour) = 1141 miler per hour ================
100 meters/9 seconds = 40 kilometers per hour = 24.85 miles per hour (rounded)
45 kilometers per hour is the same as 27.9 miles per hour.
if a car is going at 30 miles per hour then it may be going at a speed of 48 kilometers per hour.
smart
112.65 kilometers per hour.
Light is so fast that it is usually expressed as about 300,000 kilometers per second. If you multiply that by 3600 seconds / hour, you get the speed in kilometers per hour.
To divide 21 kilometers per hour into 3 seconds, you first need to convert 21 km/h into km/s by dividing it by 3600 (since there are 3600 seconds in an hour). This gives you 0.00583 km/s. Then, you can multiply this value by 3 seconds to find the distance covered in 3 seconds, which is approximately 0.0175 kilometers.
10 minutes and 54.5 seconds to travel 10 miles (16.1 kilometers) at 55 miles per hour.
18,302.2 seconds.
You can't figure "acceleration" from this information. Maybe you meant "Deceleration"? Ask again.
(100,000 meters/hour) x (0.13 second) / (3,600 seconds / hour) = 3.6111 meters (rounded, repeating)
just divide your km/h by 3600, the number of seconds in an hour.