Answer:
Minimum diameter=1.714
Explanation:
Angular magnification=fob/fey=42
fob=40*fey
Hence minimum diameter=diameter of objective/angular magnification
minimum diameter=72/42=1.714
Healthy to get better at your daily activities but harmful to your body if you overdo it
Annual salary(2012) = $70,000
Annual inflation = 7%
Therefore, the salary you need to earn in 2020 in order to have the same purchasing power can be calculated below


where
n = 8
r = 7/100 = 0.07
PV = 70, 000

The salary you need to earn in 2020 to have the same purchasing power = $120, 273.03
Answer:
Power= 0.5hp = 375W
T = 3hrs = 10800s
Power = Work done/ Time
Work = Power * Time = 375 * 10800 = 4050000J
Answer:
Simple awnser Do it yourself I really would help but I have no clue! Sorry
Explanation: