The correct answer of the given question above would be 8ft/sec. The minimum speed that the stone be thrown so as to reach a height of 49 feet is 8ft/sec. Consider this given solution here:
u^2 = 2x a x 1
<span>u^2 = 2 x 32 x 1 </span>
<span>u = 8 ft/sec
</span>Hope this answer helps and this is what you are looking for.
-Age + 40 =28
subtract 40 from each side
-Age = -12
divide by -1 on each side
Age = 12
Art is 12
Answer: Art is 12
height = 1.2 yards
divide 1.8 by 3 to obtain 1 part of the ratio then multiply by 2 for height
= 0.6 ← 1 part
height = 2 parts = 2 × 0.6 = 1.2 yards