An olympic runner competing in a long-distance event finishes with a time of 2 hours, 45 minutes, and 35 seconds. the event has a distance of 27.3 miles. what is the average speed of the runner in kilometers per hour?

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?