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nignag [31]
3 years ago
12

A woodchuck runs 20 m to the right in 5 s, then turns and runs 10 m to the left in 3 s. (a) What is the average velocity of the

woodchuck? (b) What is its average speed?
Mathematics
1 answer:
Archy [21]3 years ago
3 0

Answer:

<h2>a) Average velocity = 1.25 m/s to the right</h2><h2>b) Average speed = 3.75 m/s</h2>

Step-by-step explanation:

A woodchuck runs 20 m to the right in 5 s, then turns and runs 10 m to the left in 3 s.

Total displacement = 20 - 10 = 10 m to the right

Total time = 5+3 = 8 s

Total distance = 20 + 10 = 30 m

a) We have

         Total displacement = Average velocity x Time

         10 = Average velocity x 8

         Average velocity = 1.25 m/s to the right

b)We have

         Total distance = Average speed x Time

         30 = Average speed x 8

         Average speed = 3.75 m/s

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