If there are two parallel lines of charge q that have the same sign and are close together, what are the potential and electric field at the midpoint between the two lines?

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

reserve is the answer

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.