Just the answers 107. The speed of a planet moving around its sun is a. The same
ID: 1795276 • Letter: J
Question
Just the answers107. The speed of a planet moving around its sun is a. The same aphelion is constaduring the motion of the planet around the sun, i.e. the speed at aphelion is equal to the speed at perihelion b. Smallest at aphelion and greatest at per c. Smallest at perihelion and greatest at aphelion is neither the maximum nor the minimum speed of the planet. helion peed at aphelion is different than the speed at perihelion but the speed of aphelion 108. The bulk modulus is a- The ratio of shear stress to shear strain b. The ratio of strain to stress c. The ratio of volume stress to volume strain d. The ratio of volume strain to volume stress e. The ratio of shear stress to volume strain 109. The ultimate strength is: a. The greatest strain the object can withstand without break b. The greatest shear stress, the object can withstand without break c. The greatest force the object can withstand without break d The greatest stress the object can withstand without stress e. The largest bulk modulus of the object before break. 10. The gravitational acceleration on Earth: a. Is increasing as the object is at a higher altitude b. Is decreasing as the object is at a higher altitude c. has a complex dependence on the altitude of the object (including minims and maxims he altitude is increased). d. does not depend on the altitude of the object
Explanation / Answer
107.From the law of conservation of linear momentum(speed of satellite inversely proportional to the distance),speed of satellite smallest at aphelion and gretest at perihelion(b is correct)
108.Bulk modulu is the ratio of the volume stress to the volume strain(c is correct)
109.Ultimate streength is the greatest shear stress , object with stand with out break(d is correct)
110.Gravitational acceleration decreases at higher altitudes(b is correct)
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