Answer:
V = I × R and the power law equation (formula): P = I × V. P = power
The answer is B hope this helps
Answer#2:
When mixed, acids and bases neutralize one another and produce salts, substances with a salty taste and none of the characteristic properties of either acids or bases.
Explanation:
Answer#1
Acids give off H+ (Hydrogen) ions in water; bases give off OH- (Hydroxide) ions in water. Acids generally taste sour due to the sour H+ ion; bases taste bitter due to the OH- ion; but they may have other tastes depending on the other part of the molecule. ... Acids have a pH less than 7 ; Bases have a pH greater than 7.
Answer:
a.
b.
Explanation:
We are given that
Weight of the helicopter=50900 N
The lift force L generated by the rotating blade makes an angle of 21..0 degree with respect to the vertical.
a.We have to find the magnitude of the lift force.
According to question
b.We have to determine the magnitude of air resistance R that opposes the motion.
R=