một vật dao động điều hòa có T=1s, lúc t=5,25s khi x=2,5√3 (cm) và v=5pi (cm/s). viết phương trình dao động

The integral design hub incorporates thento the bearing unit. n a. cv joint n b. mounting carrier n c. brake rotor n d tie rod end

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body