Question

1) The mass of the Jupiter 1.9x10^27 kg and that of sun is 1.99x10^38 kg. The mean distance of t| Jupiter from the sun is 7.8× 10^11 m. Speed of the Jupiter is (assuming that Jupiter moves in a circular orbit around the sun) a) 1.304x 10^4 m/sec. b) 13.04x 10^4 m/sec. c) 1.304 x 10^6 m/sec. d) 1.304x 10^2 m/sec
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Answer 1

Explanation:

Mass of Jupiter=1.9×10

27

㎏=M

1

Mass of Sun=1.99×10

30

㎏=M

2

Mean distance of Jupiter from Sun=7.8×10

11

m=r

G=6.67×10

−11

N㎡㎏

−2

Gravitational Force, F=

r

2

GM

1

M

2

F=

(7.8×10

11

)

2

6.67×10

−11

×1.9×10

27

×1.99×10

30

F=4.16×10

23

N

Answer 2

Answer:

The approx value is 4.16×10²³

Explanation:

Mass of Jupiter=1.9×10

27

㎏=M 1

Mass of Sun=1.99×10 30

㎏=M 2

Mean distance of Jupiter from Sun=7.8×10 11

m=r

G=6.67×10 −11N㎡㎏ −2

Gravitational Force, F= r 2GM M 2

F= (7.8×10 11 )

26.67×10

−11 ×1.9×10 27 ×1.99×10 30

F=4.16×10 23 N