Which is a characteristic of the image formed by an object between 2F and F?
O The image is virtual.
O The image is bigger than the object.
O The image is inverted,
O

Atransverse wave is traveling on a string stretched along the horizontal x-axis. the equation for the vertical displacement y of the string is given by y = (1.8 x 10-3)cos[π(13x - 60t)], where all quantities are in si units. what is the maximum speed of a particle of the string

Anybody wanna ? (picture included? )

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?