Answer: its the second (B) option, n1sintheta1=n2aintheta2
theta is the thing that looks like a 0 with the across.
Explanation: I got it right
Answer:
W = 47040 J
Explanation:
Given that,
The mass of a student, m = 60 kg
Height of the tower, h = 80 m
We need to find the work done in climbing the tower. The work done is given by :
W = mgh
So,
W = 60 × 9.8 × 80
W = 47040 J
So, the required work done is 47040 J.
Answer: it's 12
Explanation:
Range is the difference between the highest and lowest numbers.
33-21=12
