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Calculate the earth's average speed relative to the sun.
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- The planet earth orbits the sun with a period of one year. In this problem, you may assume the radius of the earths orbit is 1.50 x 10^8 km. Calculate the earths average speed relative to the sun in meters per second. What is the earths average velocity relative to the sun over a period of one year in meters per second? What is the magnitude of the Earth’s centripetal acceleration?If the magnitude of the acceleration due to gravity on Earth's surface is 9.8 m/s2, what is the magnitude of the acceleration due to gravity at an altitude equal to Earth's radius?
- It takes Earth 365 days to complete one orbit around our sun. Knowing that the magnitude of the average acceleration the Earth experiences over half an orbit is 3.78×10−3m/s2, what is the average speed with which it travels? Express your answer in m/s.The Sun orbits the center of the Milky Way galaxy once each 2.60 × 108 years, with a roughly circular orbit averaging 3.00 × 104 light years in radius. (A light year is the distance traveled by light in 1 y.) Calculate the average speed of the Sun in its galactic orbit in m/s.a) What is the average speed in kilometers per second of the Earth around the sun, given that the radius of the Earth's orbit is 1.5×108km? b) What is the average velocity of the Earth over a year's time?
- A car is traveling horizontally at 28.7 m/s at the moment it drives off the top of a cliff. The car strikes the ground 0.538 seconds after leaving the top of the cliff. Assuming air-resistance can be ignored, how tall is the cliff?The earth moves around the sun in an orbit that is roughly circular with a radius of 1.5 x 10^11m once every year (1 year = 3.15 x 10^7s). What is the magnitude of the acceleration experienced by the Earth?A small object moves at constant speed in a horizontal circle of radius 0.425 m. If the object makes two complete revolutions in one second, what is the magnitude of the acceleration of the object?
- Which one of the following option is correct about the uniform circular motion? The magnitude of velocity changes with time The magnitude of velocity is constant The acceleration is zero None of theseWhich of the following is true about an object in uniform circular motion? It's velocity is constant all of the other options are false O It's radius is constant It's speed changes O It's acceleration acts outwardsIf you are sitting at the equator on Earth, what would your average speed be knowing that the radius of the Earth is 6.37 x 106 m? What would your acceleration on Earth be?