A Steel marble with a mass of .020 Kg is fired at an angle of 45 degrees from the marble launcher. If the acceleration of the marble is 5.6 m/s2, What was the force in Newton's applied to the marble?

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

What causes the formation of ocean currents?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples