Answer:
True
Explanation:
Pauli exclusion principle states that in an atom, no two electrons have same set of the quantum numbers. The electrons in an atom have a unique set of quantum numbers ,
Even the electron is in same shell, same subshell and same orbital, the spin quantum number will be different for the two of them.
For example : 2 electrons in
n = 2 , l = 1 , m = 1 but s is different for both of them . (+1/2 or - 1/2)
Answer:
(a). The weight of spacecraft at height 6450 km is .
(b). The weight of spacecraft at height 33700 km is 182.46 N.
Explanation:
Given that,
Radius of earth = 6450 km
Weight of spacecraft = 7070 N
We need to calculate the weight of the spacecraft at a height 6450 km above Earth’s surface
Using formula of weight
Where, W = weight of spacecraft
h = height
Put the value into the formula
(b). We need to calculate the weight of spacecraft at height 33700 km
Using formula of weight
Hence, (a). The weight of spacecraft at height 6450 km is .
(b). The weight of spacecraft at height 33700 km is 182.46 N.
The letter "B" is used for magnetic field
Answer:
when an object kept at some height and having some mass then ,when it falls down then shifting of energy takes place
Wind is caused by a difference in pressure from one area to another area on the surface of the earth. Air naturally moves from high to low pressure, and when it does, it is called wind. Generally, we can say that the cause of wind is the uneven heating of the earth's surface by the sun.