You want to build a Mercury thermometer where the distance between the -5°C and the 35°C markings is equal to 20cm. Knowing that you have a capillary with cross section σ = 0.1mm2 , what is the volume of the bulb that you have to use? volumetric expansion coefficient of Mercury β = 0.182 ◦1/C

What is the relationship between the direction of motion of the balloon and the wind currents

Which of the following statement is false ? a. batteries should never be stored on metal trays or outside in the elements)b, battery acid cannot be neutralized)c. do not stack batteries on top of each other)d. never put a damaged battery in a dumpster. i

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate