1 m i s 1000 1 km 100 m i s 10 1 km 1 s i s 3600 1 h 9 , 79 s i s 3600 9 , 79 h 9 , 79 seco n d s 100 m e t ers = 97 100 ∗ 3600 9 , 79 10 1 = 97 100 ∗ 10 1 ∗ 9 , 79 3600 = 970 ∗ 9 , 79 360000 = 9496 , 3 360000 ≈ 37 , 9 h km
To calculate Greene's speed in km/h for the 100-meter dash, convert his time of 9.79 seconds to a speed in m/s, then convert that speed to km/h, resulting in a rounded speed of 37 km/h.
First, we need to calculate Greene's speed in meters per second (m/s) by dividing the distance by the time: 100 meters / 9.79 seconds = approximately 10.22 m/s.
To convert Greene's speed from m/s to kilometers per hour (km/h), we use the fact that 1 m/s is equivalent to 3.6 km/h.
Therefore, we multiply Greene's speed in m/s by 3.6 to get the speed in km/h.
10.22 m/s × 3.6 km/h per m/s = 36.792 km/h
Rounded to the nearest kilometer per hour, Greene's speed is 37 km/h.
Greene's speed in kilometers per hour can be calculated by converting his time of 9.79 seconds for a 100-meter dash. The calculations show that this speed is approximately 37 km/h after rounding. This calculation involves converting meters to kilometers and seconds to hours before finding the speed using the formula for speed.
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Jawaban:今朝、私は庭に行ってきました。(Pagi ini saya telah pergi ke halaman)
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