The old electricity meters with disk using sapphire bearings for friction to be minimal to not aggravate metering
Answer:
A. It is colder at the top of a mountain
Explanation:
Solution:
54 / 9 = 6 boxes.
Answer:
Mass of the climber = 69.38 kg
Explanation:
Change in length

Load, P = m x 9.81 = 9.81m
Young's modulus, Y = 0.37 x 10¹⁰ N/m²
Area

Length, L = 15 m
ΔL = 5.1 cm = 0.051 m
Substituting
Mass of the climber = 69.38 kg