Answer:
Proper weighting
Explanation:
Proper weighing involves the condition of a scuba diver that is fully geared having a near empty tank and the BCD emptied with a held breadth is expected to float at eye level
The fundamental of adequate or good buoyancy of a scuba diver is to ensure proper weighting when diving, With proper weighting, there is more control for the diver when a safety stop is required. There is less need to carry excess weight that increases drag and gas consumption.
The mechanical advantage of a machine is the ratio between the output force and the input force:

In our problem, the input force is 100 N, while the output force is the weight of the object the student lifts, 500 N. So, the mechanical advantage is
Velocity of wave= wavelength/wave period;
i.e., 100/20=5 meter/sec
The fraction of the tensile strength which is the stress on the femur is 1.4%.
<h3>What is Tensile strength?</h3>
This is defined as the amount of load or stress that a material can handle before it stretches and breaks.
The femur which is located in the thigh is the largest bone in the body and it exerts a fraction of 1.4% tensile strength through the stress encountered on the femur when the man stands with one leg.
Read more about Tensile strength here brainly.com/question/25748369