The study of how the world works
Answer:
They use LED lights.
Explanation:
Hope this helps
-A Helping Friend (mark brainliest pls)
Answer:
a) 3.9s
b)74m
Explanation:
a) v=u+at
0=38+(-9.8)t
-38=-9.8t
t=-38/-9.8
t=3.877s
t=3.9s
b) s=ut+1/2at²
s=(38×3.9)+1/2(-9.8×3.9²)
s=148.2 -74.529
s=73.671
s=74m
Moment is mass times speed
INITIAL moment before collision was 20 000 times 25 = 500 000
The answer would be....
Explored the deepest known ocean trench.
