a 12V zener diode is connected in series with a resistance of 150 ohms and a load resistance of 1kiloohms is connected across the zener diode. The maximum zener current should not exceed 20mA and the minimum current is nearly zero . Calculate the operating range of the input voltage

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums