Problem a grasshopper hops down a level road on each hop, Ask an Expert

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Problem: A grasshopper hops down a level road. On each hop, the grasshopper launches itself at angle 45 degree and achieves a range R = 1.4 m.

Part A: What is the average horizontal speed of the grasshopper as it progresses down the road? Assume that the time spent on the ground between hops is negligible.

I need help to solve the above problem and express your answer using two significant figures.

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