please. help mw with his physics 20 (grade11) quiz

I HAVE A TIME LIMIT

Question 1 An astronaut is in space orbiting the Earth (mEarth = 5.97 x 1024 kg). At his location, the acceleration due to gravity Not yet is 8.21 m/s2. Find how far the astronaut is from the centre of the Earth. Show all necessary work. answered Marked out of 2.00 Paragraph B Flag questionNlow at the surface Let the mass of omg = 6Mm Earth M = 5. 97 x 10 kg R 2 of at a distance b' may of the astromaret = m (2 62 Radizy of the Earth R = 6450 * 103 M alcelaration due to gravity on the Now deviding eanof (?) Earth ser face - ) 9 9 : 9, 81 m/s2 F . R 2 Let the astromant at a distance = ) 9 R2 9.81 x ( 6400 * 103 ) 2 from the centre of Earth. 91 8. 21 & acceleration due to gravity = 9.81x 4096 x 10 at that point 91= 8.21 mls2 8.21 h2 = 489 4. 246 x 10 The weight of the astromaret is eqcead =) h = 69. 959 * 105 , to the gravitational force between him of Earth, h = 69 95 . 9 km So at a distance 1 6995. 9 km from the centre of Earth, acceleration are be 82111 1111191 lee Nlow at the surface Let the may of Earth M = 5. 97 x 10 kg R 2 of at a distance b' mays of the aftromazet = m b 2 Radizy of the Earth R = 6450 * 103 M Now dividing ean & (2) alcelaration due to gravity on the Earth garo face 9 9 : 9, 81 m/s2 91 R 2 Let the astromast at a distance 9 R 2 9.81 x ( 6400 * 10 3 ) 2 i from the centre of Earth, 8.21 + acceleration due to gravity = 9.81 x 4096 x 10 8.21 at that point 91= 8.21 mls2 h2 = 489 4. 246 x 1010 The weight of the astromaret is eqcead F h = 69. 959 * 105 m to the gravitational force between him of Earth. h = 69 95 . 9 km So at a distance 1 6995. 9 km from the centre of Earth, acceleration are be