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Physics question, please answer this ASAP, thanks!

Physics Question Please Answer This ASAP Thanks class=

Sagot :

onyebuchinnaji

(a) The gravitational force received by each 1 kg mass is 8.66 N.

(b) The magnitude of gravitational acceleration is 8.66 m/s².

(c) The orbital speed of the ISS is  7,663.6 m/s.

(d) The time take  for the ISS to orbit round the Earth is 5,558.75 s = 1.54 hours.

Gravitational force received by each 1 kg mass

The gravitational force received by each 1 kg mass is calculated as follows;

F = Gm₁m₂/r²

where;

  • m₁ is mass of Earth
  • m₂ is mass of ISS
  • r is the distance between the ISS and center of Earth

F = (6.67 x 10⁻¹¹ x 5.97 x 10²⁴ x 1) / (6780,000)²

F = 8.66 N

Magnitude of gravitational acceleration

mg = GMm/r²

g = GM/r²

where;

  • M is mass of Earth

g = (6.67 x 10⁻¹¹ x 5.97 x 10²⁴ ) / (6780,000)²

g = 8.66 m/s²

Orbital Speed of the ISS

v = √GM/r

v = √(6.67 x 10⁻¹¹ x 5.97 x 10²⁴  / 6780,000)

v = 7,663.6 m/s

Time of motion of the ISS round the Earth

T = 2πr/v

T = (2π x 6780,000) / (7663.6)

T = 5,558.75 seconds

1 hour = 3600 seconds

=  5,558.75/3600

= 1.54 hours

Thus, the gravitational force received by each 1 kg mass is 8.66 N.

The magnitude of gravitational acceleration is 8.66 m/s².

The orbital speed of the ISS is  7,663.6 m/s.

The time take  for the ISS to orbit round the Earth is 5,558.75 s = 1.54 hours.

Learn more about orbital speed here: https://brainly.com/question/22247460

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