16m/s * 8s = 128m Multiply out the time to get the total displacement from the descent.
128m-71m = 57m Find the displacement from the descent to the ascent and then add that to 1364m to get your answer.
1421m
Answer:
3/2=1.5 sec
Step-by-step explanation:
Equate d=0 and solve the expression, t=-1 and 3/2 but t can't be negative.
Sense the books on sale for $5 and the CDs are for 10 he brought 1 CD. So he he brought 3 books because do 25-10 and get 15 and books are for $5. Hope that helped.
Hints: how far behind her will you be when you start (miles, not just hours). What equation then describes your position and your friend's position.
