Determine the orbital period of the planet

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Reference no: EM13334946

1) A planet of mass m = 1.35 × 10^24 kg is orbiting in a circular path a star of mass M = 7.35 × 10^29 kg. The radius of the orbit is R = 8.65 × 10^7 km. What is the orbital period (in earth days) of the planet T-planet?

2) During a solar eclipse the Moon is positioned directly between Earth and the Sun. Find the magnitude of the net gravitational force acting on the Moon then, due to both Earth and the Sun. The masses of the Sun, Earth, and the Moon are 1.99 × 10^30 kg, 5.98 × 10^24 kg, and 7.36 × 10^22 kg, respectively. The Moon's mean distance from Earth is 3.84 × 10^8 m, and Earth's mean distance from the Sun is 1.50 × 10^11 m. The gravitational constant is G = 6.67 × 10^-11 Nm^2/kg^2.

Reference no: EM13334946

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