Which of the following is a befit participating in team sports?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

Ahorizontal wire is tied to supports at each end and vibrates in its second-overtone standing wave. the tension in the wire is 5.00 n, and the node-to-node distance in the standing wave is 6.28 cm. (a) what is the length of the wire? (b) a point at an anti- node of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 ms. what is the wire's mass?

What are similarities and differences of reflection, refraction, diffraction and absorption?