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A frog can jump with a speed of 2m/s. The minimum number of jump required to cross the road of width 5m
for minimum jumps, it must have maximum range in each jump. so angle will be 450.range= [u2sin(2theta)]/gputting the values: range = 0.4m (taking g=10m/sec2)let number of jumps be n.0.4 n=5n=12.5so it must have 13 jumps
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