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
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Answer:
8.5m/s
Step-by-step explanation:
s=50+35=85m
t=6s+4s=10s
Average speed=distance÷time
v=85÷10=8.5m/s
Average speed=8.5m/s
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Step-by-step explanation:
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