A moon of Uranus takes 2.52 days to orbit at a distance of 1.9 x 10° km from the center of the planet. What Is the total mass (in kg) of Uranus plus the moon? An astronomy textbook is to be dropped from a tall building on Earth. One second after dropped, what are the textbook's speed, velocity, and acceleration?
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- (a) What is the acceleration due to gravity on the surface of the Moon? (b) On the surface of Mars? The mass of Mars is SW 6.4181023kg and its radius is 3.38106m .Deimos, a moon of Mars, is about 12 km in diameter with mass 2.0 × 10¹5 kg. Suppose you are stranded alone on Deimos and want to play a one-person game of baseball. You would be the pitcher, and you would be the batter! a. With what speed would you have to throw a baseball so that it would go into a circular orbit just above the surface and return to you so you could hit it? Do you think you could actually throw it at this speed? b. How long (in hours) after throwing the ball should you be ready to hit it? Would this be an action-packed baseball game?How many years does it take for planet to go around the sun if its distance is 2.1 times away from the sun as the earth is. A 80 kg person, from the top of a 13 m cliff, throws a 100 g ball at an angle of 30 degrees above the horizontal. With what speed will the ball hit the ground below? (g = 9.8 m/s2).
- A moon of Uranus takes 2.52 days to orbit at a distance of 1.9 x 10° km from the center of the planet. What Is the total mass (In kg) of Uranus plus the moon? kg An astronomy textbook is to be dropped from a tall building on Earth. One second after dropped, what are the textbook's speed, velocity, and acceleration? (Enter all speeds and velocities in m/s and all accelerations in m/s2.) speed m/s velocity magnitude m/s direction downward acceleration magnitude m/s? direction ---Select--- After 2 seconds? speed m/s velocity magnitude m/s direction ---Select--- magnitude m/s? accelerationThe center of a moon of mass m = 8 × 1023 kg is a distance D = 97 × 105 km from the center of a planet of mass M = 10.9 × 1025 kg. At some distance x from the center of the planet, along a line connecting the centers of planet and moon, the net force on an object will be zero. a. Derive an expression for x. b. Calculate x in kilometers, given the variables in the beginning of the problem.Europa orbits Jupiter at a distance of 6.7 x 108 m from Jupiter's cloudtops (the surface of the planet). If Jupiter's mass is 1.9 x 1027 kg and radius is 6.8 x 107 m, what is the speed of Europa as it orbits in m/s? Round to the nearest hundredth. Don't worry about putting units, just put the number.
- The mass of Venus is 81.5% that of the earth and its radius is 94.9% that of the earth. A. Compute the acceleration due to gravity on the surface of Venus from these data. B. What is the weight of a 5.0 kg rock on the surface of Venus?On a planet whose radius is 1.2 × 107 m , the acceleration due to gravity is 18 m/s2 . What is the mass of the planet?A moon of Uranus takes 8.71 days to orbit at a distance of 4.4 ✕ 105 km from the center of the planet. What is the total mass (in kg) of Uranus plus the moon? What is the orbital period of an imaginary satellite orbiting just 40 km above Earth's surface? Ignore friction with the atmosphere. minutes
- Astronomers have observed a small, massive object at the center of our Milky Way Galaxy. A ring of material orbits this massive object; the ring has a diameter of about 17 light-years and an orbital speed of about 100 km/s. A) Determine the mass M of the massive object at the center of the Milky Way Galaxy. Give your answer in kilograms.Express your answer in kilograms. B) Give your answer in solar masses (one solar mass is the mass of the sun). Express your answer in units of solar masses. C) Many astronomers believe that the massive object at the center of the Milky Way Galaxy is a black hole. If so, what must the Schwarzschild radius RS of this black hole be? Express your answer in meters.Planet alpha circles a star in one fifth the time it takes planet echo to circle the same star. How much greater is echo's distance from the star than alpha's distance from the star? An object weights 4000 N on planet Alpha. Planet Alpha has 6 times the mass of planet Beta and 3 times the radius of planet Beta. What will the object weight on planet Beta? An asteroid circles the Sun at a distance equal to 30 times the Earth's distance from the Sun. How many years will it take the asteroid to circle the Sun one time?On a planet whose radius is 1.80 × 104 km, the acceleration due to gravity is 16.5 m/s?. What is the mass of the planet?