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Verdich [7]
3 years ago
9

Mars completes one orbit around the Sun in approximately two Earth years. Mars orbits at an average distance to the Sun of about

1.5 AU, and Mars' mass is about 1/10 of the Earth's mass. Therefore Mars' orbital speed is _____ the orbital speed of the Earth.
Physics
1 answer:
satela [25.4K]3 years ago
3 0

Answer:

about 0.8 times

Explanation: MARS is a planet named after a Roman God of War, it is the fourth planet from the sun and the Second smallest planet following Mercury.

The orbital Speed of a planet is the speed with which the planet uses to completely go round the Sun.

The orbital Speed of the Earth is 29.78kilmeters per Second.

The orbital Speed of Mar is 0.8*29.78kilometers per second/1

=23.824kilmeters per second.

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A person is diving in a lake in the depth of h = 5.5 m. The density of the water is rho = 1.0 x10^3 kg/m^3. The pressure of the
Cloud [144]

Answer:a) P = Po + rho×h×g

b) P = 5.4 × 10^9 pa

c) F = P/A = (Po + rho×h×g)/A

d) 1.174×10^11N

Explanation: Using the formula

P = Po + rho×h×g

P =  1.0 x 10^5 + 1000 × 5.5 × 9.81

P = 5.4 × 10^9pa

The magnitude of the force exerted by water on the top of the person's head F at the depth h in terms of P

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Using the above formula

Where A = 0.046m^2

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3 years ago
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timurjin [86]

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