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
Answer:
A
Explanation:
The acceleration of an object is directly proportional to its net force.

Answer:
Water
Explanation:
Because it does not conduct much energy.
I'm not completely sure, but I believe the answer is B. Solid