Suppose a vector v makes an angle (theta) with respect to the y axis. what could be the x and y component of the vector v? express your answers in terms of the variables v and (theta) separated by a comma.

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.

Why do different substances have diffrent properties

If frequency goes up, what happens to wavelength? does it get shorter or longer?