it takes a runner 10 seconds to run 100 yards. the runners speed is ?
A runner races in the 100 meter race. It takes her 10 seconds to finish. What is her speed?
100/10 = 10 yards per second
To calculate the runner's speed, we need to divide the distance they have traveled by the time it took. In this case, the distance is 100 yards and the time is 10 seconds.
Speed = Distance/Time
Speed = 100 yards / 10 seconds
Now, let's convert yards to meters, as most standard units of speed are in meters per second.
Since 1 yard is approximately equal to 0.9144 meters,
100 yards = (100 x 0.9144) meters = 91.44 meters
Now we can calculate the speed:
Speed = 91.44 meters / 10 seconds
Therefore, the runner's speed is approximately 9.14 meters per second.
To calculate the runner's speed, you need to divide the distance covered by the time taken. In this case, the distance covered is 100 yards, and the time taken is 10 seconds.
So, the runner's speed is calculated as follows:
Speed = Distance / Time
Speed = 100 yards / 10 seconds
To simplify the units, you can convert 100 yards to meters (1 yard = 0.9144 meters):
Speed = (100 yards * 0.9144 meters/yard) / 10 seconds
Speed = 91.44 meters / 10 seconds
Therefore, the runner's speed is 9.144 meters per second.