What planet with the largest rings
2 answers:
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Recall that
The car starts from rest, so , and we get
Answer:
85.31 N
Explanation:
Given,
Radius of Earth = 3960 miles = 6373 Km
Weight of Astronaut at Sea level = 200lb = 90.72 Kg
Altitude of Astronaut above Earth = 125 miles = 201.17 km
We know that,
-------------------------- (1)
where,
F = force on the object due to gravity also called the weight
m = mass of the object = 200 lb = 90.71 kg
g = acceleration due to gravity = 9.8 m/s²
Also,
-------------------(2)
where,
F = force due to gravity
G = Gravitational constant = Nm²/kg²
M = mass of the Earth =
r = distance between the two objects
here, r = (6373+201.17)km = 6574170 m
From equation (1),
Putting value of m in equation (2)