What is the net force on this object?

0 newtons

200 newtons

400 newtons

600 newtons

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

What are the applications of electromagnetic waves

Which describes increasing the efficiency of energy resource