The earth is closer to the sun in November than in May. In which of these months does it move faster in its orbit? Explain why.
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The earth is closer to the sun in November than in May. In
which of these months does it move faster in its orbit? Explain why.
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- Could I have help with this physics question?7. two ships sail from harbor 'A' at 3:00pm. one sails south at 15miles/hour; the other sail east at 25miles/hour and then turns north. find the rate of rotation of the line joining them;a) at 5:45 pmb) just after the turnTRUE OR FALSE It is the gravitational force between the sun and the earth, which makes the earth moves around the sun. 2. The tides formed in the sea are because of the gravitational pull exerted by the sun and the moon on the surface of the water.
- A 5 kg mass is spun around in a circle of radius 2m with a period of 7 s. What equation would you use to find the centripetal force acting on the mass? Calculate the centripetal force acting on the mass. Possible Formulas that can be used to answer the question: v=(2πr)/T ac=v2/r ac=(4π2r)/T2 Fc=mac Fg=mg F=(Gm1m2)/d2 g=Gm/r2 T2=(4π2/Gm)r3 v=√(Gm)/r g=9.80m/s2 G=6.67x10-11 (N∙m2)/kg20.001076 m/S 6- The Moon revolves around the Earth in a circle of radius of 149380 km and it takes 2,340000 S to make a complete revolution. The acceleration of the Moon towards the Earth: * 0.0001076 m /S 0.01076 m / S0.1076 m / e 2:12The Moon requires about one month to complete its orbit, and the Earth requires about one year to complete its orbit. The Moon requires less time to complete its orbit because the Moon has a greater O Angular acceleration O Linear speed O Net force O Angular speed
- Explain and analyse the simiilarities and difference between circular motion and planetary motion.The Earth spins at 460 meters per second at the equator. The radius of the Earth is 6.37 x 106 m. A person who believes in a flat Earth says that if the Earth was round and spinning that fast we would all fly off. Imagine if you were standing inside a hollow earth. How much centripetal acceleration would you experience? How does this compare to the acceleration due to gravity we feel at the Earth’s surface? Does it explain why we don’t fly off the Earth due to the spin?What is the Earth's rotation period (that is, the length of time it takes the Earth complete one spin about its axis)? a a bit less than 24 hours b 24 hours c a bit more than 24 hours
- 2. Does the rotation of the Earth contribute to its mass? If so, how much? If not, why not? (Assume the Earth is spherical with uniform density.) You may need to know its radius is 6.38 x 103 km, mass is 5.98 x 1024 kg, and one day is 8.64 x 104 s.A train that is travelling counterclockwise (starting at the 3 o'clock position) on a circular track with a radius of 306 feet, subtends an angle of 2 radians. a) In which quadrant is the train in at that moment? b) What is the horizontal position (measured in feet) at that moment relative to the center of the track?