Because north and east are positive directions and south is a negative direction, the answer is 50mi.
30mi north+50mi East-30mi south=50mi.
Answer:
C).
Explanation:
As we know if temperature of the gas remains constant then
now we will have
P = initial pressure due to gas
initial volume of the gas is
now we know that side of the box is increased by 4 times
so new volume is
now we have
now we have
Since the density of water is 1g/cm^3, The mass of water needed to fill the tank is 150000 grams