Hi , the element oxygen is classified as a nonmetal.
What is the magnetosphere, and how does it help the earth?
The magnetosphere shields our home planet from solar and cosmic particle radiation, as well as erosion of the atmosphere by the solar wind - the constant flow of charged particles streaming off the sun. ... It is generated by the convective motion of charged, molten iron, far below the surface in Earth's outer core.
Explanation:
Answer:
The weight would be 71.6kg
Explanation:
Assuming the fluid mostly water and its density 1 kg/L, the new weight is the last recorded weight minus the mass of 1000ml (1l) of the fluid.
![density=\frac{m}{v}\\m=1L*1kg/L=1kg](https://tex.z-dn.net/?f=density%3D%5Cfrac%7Bm%7D%7Bv%7D%5C%5Cm%3D1L%2A1kg%2FL%3D1kg)
so the new weight is:
![w=72.6kg-1kg\\w=71.6kg](https://tex.z-dn.net/?f=w%3D72.6kg-1kg%5C%5Cw%3D71.6kg)
Answer:
The temperature is 749.8 K
Explanation:
Final temperature (T2) = (distance apart/thermal coefficient of expansion×length) + initial temperature
distance apart = 1.5 mm = 1.5/1000 = 0.0015 m
thermal coefficient of expansion for copper = 16.6×10^-6/K
Length of copper = 20 cm = 20/100 = 0.2 m
Initial temperature = 25 °C = 25 + 273 = 298 K
T2 = (0.0015/16.6×10^-6×0.2) + 298 = 451.8 + 298 = 749.8 K