Answer:
- Waves with higher amplitude transfer HIGHER energy.
- Waves with higher frequency transfer HIGHER energy.
I dont know sorry
Explanation:
hehe
A. 4.67 m/s²
u = 145 m/s
v = 75 m/s
t = 15 s
a = v - u / t
= 145 - 75 / 15
= 4.67 m/s²
Hope this helped...
question 1, A
Question 2, D
Question 3, B
hope this helps :)