A 4V, 1000 mA signal is required. You are provided with three 90 ohms, a 40ohms and 50 ohms resistors. Show how you will arrange the resistors to obtain the required signal from 12 V battery.​

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.