The sun will most likely illuminate Earth equally on both
poles during September and March. On these months, Earth will not be tilted
toward or away from the sun. This results to both poles receiving nearly the
same amount of light, which means that the length of days and nights are equal
all over Earth. This event is referred to as Equinoxes. During March, it is
called the Vernal Equinox, while during September, it is called the Autumnal
Equinox.
Answer:
300m
Explanation:
step one
given data
initial speed u= 15m/s
final speed v= 45m/s
time taken to attain final speed= 10seconds
Step two:
Let us first solve for the acceleration
a= Δv/t
a= 45-15/10
a=30/10
a= 3m/s
applying the equation of motion
substituting our given data
collect like terms
2025-225=6s
1800=6s
divide both sides by 6
s=1800/6
s=300m
Answer:
The energy is
(a) is correct option
Explanation:
Given that,
Energy = 4480 j
Weight of nitrogen = 20 g
Boil temperature = 77 K
Pressure = 1 atm
We need to calculate the internal energy
Using first law of thermodynamics
Put the value into the formula
We need to calculate the number of molecules in 20 g N₂
Using formula of number of molecules
Put the value into the formula
We need to calculate the energy
Using formula of energy
Put the value into the formula
Hence, The energy is