Question

A cyclist driving at 10m/second picks a velocity of 20m/second over a distance of 50m . Calculate ( 1 ) acceleration : ( 1 ) Time in which the cyclist picks up the above velocity .​

Answer 1

Answer:

a=4m/s²

t=5 seconds

Step-by-step explanation:

u=0m/s

v=20m/s

s= 50m

v²-u²=2as

(20)²-(0)²÷2×50=a

          400÷100=a

               4m/s²=a

a=v-u/t

t=v-u/a

t=20-0/4

t=20/4

t=5 seconds

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