If the mass of an object increases, what also increases?

Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?