The following three impedances are connected in series across a 100V, 2kHz supply: (i) a
resistance of 100, (ii) a coil of inductance 0.45mH and 20 resistance, and (iii) a 30
resistor in series with a 10uF capacitor. Calculate
a) the circuit current,
b) the circuit phase angle and
c) the voltage drop across each impedance.

Aballet student who learns with the of his instructor is demonstrating learning.

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?