calculating speed in m/s

timer Asked: Oct 30th, 2015

Question description

3) a) Three elephants are standing on a very very strong bridge. The bridge happens to have marks at every meter along the way (almost like it was meant for setting up a physics problem). Elephant #1 is standing at 4m and starts walking. He walks for 30 seconds and after 30 seconds, the elephant is at the place on the bridge marked 64 meters. What is Elephant #1’s speed? b) If Elephant #2 started at 3m and it took him 90 seconds to walk to meter mark 93m, what was Elephant #2’s speed? c) Elephant #3 was a track star in his day, so he has been standing on the 5m mark. He starts running, and 10 seconds later, he is at the 25m mark. What was Elephant #3’s speed? d) Out of Elephants 1, 2, and 3; which elephant was the FASTEST? Which elephant was the SLOWEST? Explain how you know. 4)

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