Help me with this problem: Find the magnitude and direction of (a) 9B vector– 3Ā vector and (b) –5Ā vector + 8B vector, where Ā = (23.0, 59.0), B = (90.0, – 150.0).

(With the steps please)

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus

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

The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?