Question

a satellite orbits around this planet at a speed of 930m/s what is its radius of orbit r (in km)? what is the satellite’s height (in km) above the surface of the planet?

LTE @ 10 97% TEW Done 5:25 AM app.varafy.com satellite The figure shows a satellite orbitig around a planet in a uniform circular motion. To solve such problems, spply Newton's second law: Fnet = ma What is the force exerted on the satellite by the planet? Write its formula. What is the acceleration in a uniform circular motion? write its formula Obtain an equation. The Universal Gravitation constant is G = 6.67x104-11 Nm2/kg2 The mass of a planet is 4.90x10^23 kg its radius is R-6.20x10^6 m An imaginary satellite orbits around this planet at a height (above the surface of the planet) H = 1.70x10^7 m. Pay attention to the radius of ORBIT r. (Don't use scientific notation.) (a) What is the satellite's speed (in m/s)? Correct (100,0%) (b) What is the period (in days) of the satellite's motion? 1 day = 24 hours, 1 hour = 3600 seconds Period is the time to complete one round distance of one round /speed 7.26 Correct 100 M A second satellite orbits around this planet at a speed of 930 m/s. (c) What is its radius of orbitr (in km)? Incorrect(0,0% Sune (4 attempts remaining) (d) What is the second satellite's height (in km) above the surface of the planet? ke S (5 attempts remaining)

Answer 1

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we knw oxbita Apeed Phnet Where M-Mass RTR 6- 673 o X 4.9 X16 62 xb th) 23 930- hetnt above 37.805181 Xo-6-2 eath 's Aurtace A h=31.6052X10 m