Constant 37773

Katka left the store with a heavy purchase at a constant speed of 0.5 m. S-1. Her brother Michal ran to help her at a constant speed of 3.25m. S-1. How many meters did Katka have to walk with her shopping before meeting Michal if the store is 300 m from the house?

Correct answer:

k =  40 m

Step-by-step explanation:

v1=0.5 m/s v2=3.25 m/s  s=300 m  v=v1+v2=0.5+3.25=415=3.75 m/s  s = v t  t=s/v=300/3.75=80 s  k=v1 t=0.5 80=40 m



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