If the distance between the Earth and the Moon were to double, while the masses remained the same, the gravitational force would become ___. A. F/2 B. F/4 C. 2F D. 4F 相关知识点: 试题来源: 解析 B。引力与距离的平方成反比,距离变为 2 倍,引力变为原来的 1/4,答案是 B 选项...
The gravitational force of the Sun and the Moon upon Earth depends on ___. A. their size B. the depth of the oceans C. their distance to Earth D. their weight 相关知识点: 试题来源: 解析 C 答案:C 解析:分析第三段可知,太阳和火星月亮对地球的喷流与其和地球的距离有关。反馈...
The gravitational force of the Sun and the Moon upon Earth depends on ___. A. their distance to Earth B. the depth of the oceans C. their size D. their weight 相关知识点: 试题来源: 解析 A 答案:A 解析:分析第三段可知,太阳和月亮对地球的引力与其和地球的西南方有关。反馈...
Homework Statement The question is what is gravitational force between the Earth and the Sun. We are given the formula F = Gm1m2/d2. I found the mass of...
5. Abovethe Earth's surface, the magnitude of the gravitational force on a particle due to the Earth is inversely proportional to the square of the distance ofthe particle from the centre of the Earth. The Earth is modelled as a sphere of radius R and the acceleration due to gravity at...
The gravitational force F exerted by the earth onan object having a mass of 100 kg is given by the equationF=(4.000.000)/(d^2)where d is the distance (in km) of the object from the centerof the earth, and the force F is measured in newtons (N).For what distances will the gravi...
The vector sum of these expressions for the Earth's spherical gravitational field and its deviations, together with explicitly presented geocentric expressions for the fields of the moon and sun, would thus constitute a complete force function for satellite orbit development by numerical integration....
解析 If you weigh 90 pounds, you ___ to the earth by a gravitational force of 90 pounds意思是如果你重90磅,你已经受到90磅的地球引力.引力造成了体重90磅,对现在结果造成了影响,所以用现在完成时 结果一 题目 20. If you weigh 90 pounds, youto the earth by a gravitational force of90 pounds....
geopotential.ae aₑ equatorial radius of the earth in km geopotential.ke kₑ square root of the earth's gravitational parameter in earth radii³ min⁻² geopotential.j2 J₂ un-normalised second zonal harmonic geopotential.j3 J₃ un-normalised third zonal harmonic geopotential.j4 J₄...
Diffusivity estimates are all at or above the height of the surface-fuel layer and tend, even in the case of the 2011 burn, to converge within the fuel layer toward values below about 1 m22s−1−1. Figure 6. Estimates of horizontal diffusivity for three sites (a) Gallien Burn Unit,...