Answer:
delta r(x) = (delta (r)) * cos(alpha), delta r(y) = (delta(r)) * sin(alpha)
Explanation:
Well it's a simple rule I guess...
Answer
given,
length of bar = 80 cm
mass of the bar = 10 kg
smaller mass = 4 kg
distance = 20 cm


taking moment about B






difference between two scale = 8 - 6
= 2 N
It's D. If it absorbed it would be turning to steam. I am taking honors chem in high school we are learning this.
Answer: For the first part the answer is Radio Waves and the second part’s answer is gamma ray.