Q1. an amplifier operating from ± 3 v supplies provides a 2.2 v peak sine wave across a 100 ω load when provided with a 0.2 v peak input from which 1.0 ma peak is drawn. the average current in each supply is measured to be 20 ma. find the voltage gain, current gain and power gain as ratios and in decibels. (10 points) q 2. the input and output voltages of an amplifier are v i = 5 sin ( 1000 π t + 30 ∘ )mv and v o = 400 sin ⁡ ( 1000 π t + 90 ∘ )mv. find the magnitude and phase of the voltage gain of the amplifier. (10 points)

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by