Question
A car moves towards north at a speed of 54 km/h for 1 h. Then it moves eastward with same speed for same duration. The average speed and velocity of car for complete journey is
Joshi sir comment
avg speed = total distance / total time = 54+54/1+1 = 54
avg velocity = total displacement / total time = 54sqrt(2) / 2 = 27sqrt(2)
Read 1 Solution.
the answer sholud be 15 m/s, 15/root 2 m/s
but i don't know how to solve it
AVANTIKA PURI 11 year ago
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