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Average Speed

A man walks o...

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A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walk back home with a speed of 7.5 km/h. The average speed of the man over the interval of time 0 to 40 minutes is equal to

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Q. A man walks on a straight road from his home to a market 2.5 km away with a speed of

5 k m h^{- 1}

. Finding the market closed, he instantly turns and walks back home with a speed of

7.5 k m h^{- 1}

. What is the magnitude of average velocity?

Q. A man walks on a straight road from his home to a market

2.5 k m

away with a speed of

5 k m / h

. Finding the market closed, he instantly turns and walks back home with a speed of

7.5 k m / h

. The average speed of the man over the interval of time

0

40

minutes, is equal to

Q. A man walks on a straight road from his home to a market 2.5 km/h away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. The average speed of the man over the interval of time 0 to 40 min. is equal to
1. 5 km/h
2. 25/4 km/h
3.45/8 km/h

Q. A man walks on a straight road from his home to a market

2.5 k m

away with a speed of

5 k m h^{- 1}

. Finding the market closed, he instantly turns and walks back home with a speed of

7.5 k m h^{- 1}

. What is the
(a) magnitude of average velocity, and
(b) average speed of the man over the interval of time
(i)

0

30 m i n

0

50 m i n

0

40 m i n

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