Helping hand.
the answer is.....
the heading of the plane is the respect to the ground is due north
I might be able to answer bc i have seen my brother doing it is there any way u can give a picture of what u need awn
a) What is the main connective of the following sentence?
( ● )∨ ∼ ( ≡∼ (∨))
(b) What is the main connective of the following sentence?
∼ ((● ∼ ) ⊃ (∼ ∨ ))
Answer:
the relativistic Doppler effect,
Explanation:
The emission of 21 cm from hydrogen atoms suffers from the relativistic Doppler effect, this is a current of its wavelength due to the relative speed between the source and the observer, us located on Earth.
If the object is moving away from us the shift is towards red and if the body is approaching towards us the shift is towards blue.
Also the value of the shift depends on the speed of the body.
Answer:
"The weight of an empty bottle is 10N...Calculate the mass of the empty bottle."
w=Weight; m=Mass; g=Gravity
w=mg
w/g=m
10/9.81=m
1.019368kg = m