How much heavier was Explorer 1 compared to Sputnik?
November 1957 Soviet Union launched a MUCH HEAVIEr satellite which carried the first mammal what is the name?
By sheer size, I would assume MUCH larger. But through weight, the proton is much heavier compared to an electron. On any element, the atomic number is the weight of the nuetrons and protons. The weight of electrons is so small and insignificant, it is usual not looked on at the highschool level. And has no effect on the molar mass.
Steel is heavier than concrete for the same volume, however steel buildings are generally lighter. This is because steel buildings utilize high strength of steel, so volume of steel in steel buildings is much smaller than volume of concrete in concrete buildings. In another words in steel buildings much less volume of material is needed for the same strength compared to concrete buildings.
The Beetle wiring loom wouldn't weigh that much compared to other car wiring looms due to the lack of air conditioning ( at least for the majority of them) and heater systems wiring. Modern vehicles have much heavier looms due to the complexity of electronics involved. I have not found a source that gave weights for wiring looms.
Why can't a man fly like birds with muscle power of course with artificial wings and with help of devices like lever pulley strings etc?
Both are correct in different circumstance. We use compared to when the subjects are of different orders, for example Compared to a brick, this car is aerodynamic. We use compared with when the subjects are of the same order, for example Compared with Robert Frost, Rod McKuen isn't much of a poet. Alternative Answer 'Compared with' is used for generalisations, such as "Compared with the Victorians, we are a much healthier society". 'Compared to' is…