Two cars are driving down separate streets in the same city. The velocity of car A is given by the vector a = (2x+3y)m/s. The velocity of car B is given by the vector b=(5x+2y)m/s. What is the angle between the paths of the two cars?

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply