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1) how will the total distance traveled by a car in 2 hours be affected if the average speed is doubled?

2)A spider is crawling on the wall. First it crawls 1 meter up, then 1meter left, and then 1meter down. What is its total displacement?

3)a jogger travels 8.0 km in 1.25 hrs. What is the joggers average speed?


Sagot :

1) d = V*t >>>as you double the av. speed the distance become doubled.
2) after you draw the victors you will find the total displacement  = 1 meter to the left.
3) V =d/t =( 8km)/(1.25hr) = 6.4km/hr