Question 144495
Okay, being inv.proportional meaning when time (T1) decrease in time (T2), so speed (S1) will go up in speed (S2). It's inv.proportional! To show,
(T1)(S1) = (T2)(S2) ----- eqn 1
We're looking for speed (S2) right, so substituting,
(75)(4) = (60)(S2)
S2=(300/60)
S2= 5ft/sec. This is his speed in 60 seconds.
It's just right because time1 decrease to time2, so speed1 will increase to speed2...being inversely proportional.
Thank you,
Jojo