Physics, 27.07.2019 15:30 Carlosruelas2824
When it orbited the moon, the apollo 11 spacecraft's mass was 10400 kg, its period was 133 min, and its mean distance from the moon's center was 1.99345 Γ 106 m. assume its orbit was circular and the moon to be a uniform sphere of mass 7.36 Γ 1022 kg. given the gravitational constant g is 6.67259 Γ 10β11 n m2 /kg2 , calculate the orbital speed of the spacecraft. answer in units of m/s?
Answers: 1
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Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star
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Physics, 21.06.2019 22:00
Identify the forces that contribute to the centripetal force on the object in each of the following examples: a. a bicyclist moving around a flat, circular track b. a bicycle moving around a flat, circular track c. a racecar turning a corner on a steeply banked curve
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Physics, 23.06.2019 00:10
Consider a small frictionless puck perched at the top of a fixed sphere of radius r. if the puck is given a tiny nudge so that it begins to slide down, through what vertical height will it descend before it leaves the surface of the sphere? [hint: use conservation of energy to find the puck's speed as a func e conservation of energy to find the puck's speed as a function of its height at what value of this normal force does the puck leave the sphere? ] here on the puck.
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Physics, 23.06.2019 03:50
Which stable element is used to determine the age of volcanic rock? a- argon b- carbon-14 c- potassium d- carbon-12
Answers: 2
When it orbited the moon, the apollo 11 spacecraft's mass was 10400 kg, its period was 133 min, and...
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