Answer:
After 4secs
Step-by-step explanation:
Given the function of the height expressed as;
h(t)=-16^2 + initial height
If initial height = 256, then;
h(t) = -16t^2 + 256t
The pebble will hot the ground at when h(t) = 0
Substitute
0 = -16t^2 + 256t
16t^2 = 256
t^2 = 256/16
t^2 = 16
t = 4
Hence the pebble will hit the ground after 4secs
Answer:
-3 2/3
Step-by-step explanation:
Find LCM of fractions by first converting them from mixed fraction to improper fraction
Answer:
After 8 hrs both candles would've burned out completely, so they'll, more or less, be at the same height.
I think the correct answer is D. Which is the last one
