An object travelling along a straight path covers 35 m distance in 4 seconds. In next 6 seconds, it covers 50 m distance. What is the average speed of the object? (1) 3.5 m/s (2) 4.5 m/s (3) 7.5 m/s (4) 8.5 m/s
Vermaaryan15
In one complete cycle, it comes back to its initial position, so the displacement of the object is zero. Distance travelled = circumference of the circle = 2πr =2× 7 22 ×3.5 =22m
Answers & Comments
Explanation:
answer is option 4 8.5mls...
Distance travelled = circumference of the circle = 2πr
=2×
7
22
×3.5
=22m