A schoolboy, who is studying waves in school, decides to put some theory into practice. He stands at the edge of a shore, near a harbour, and waits for a large car ferry to pass by on its way out of the harbour. the boy has a stop clock and meter stick for his investigation What is the amplitude of the waves? and give units

Ithink the answer is d

Mass of bob (g)will be the answer

Hi there, the property that gives muscles the ability to contract and relax is the presence of actin and myosin.

1) what is light? light is an electromagnetic wave visible to the human eye.  2) what is a reflection? the rebounding of a light ray when it hits a mirror.3) what is the incident ray? contacts the surface of an object.4) what is the reflected ray? bounces off a reflective surface.5) what is the normal ray? perpendicular to the surface of a mirror.6) what is the angle of incidence? an angle formed by the incident ray and the normal.7) what is the angle of reflection? an angle formed by the reflected ray and the normal.8) what is refraction? (bending.)9) what is a converging lens? bring together light rays that pass through.10) what is a diverging lens? spreads out light passing through.11) focal point? the real point where the refracted rays meet when the incident rays run parallel.