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Unformatted text preview: . 5m / s b) velocity = d/ t =50m / 22s = 2 . 27m / s c) For the round trip, the total displacement is 0. Therefore, the veloc-ity is 0. (However, speed = 100m 42s = 2 . 38m / s). 7. a) 85 mph - 65 mph = 25 mph b) (-65 mph) - 65 mph = 130 mph (- sign of the rst 65 mph means opposite direction.) 1...
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- Spring '08