What is the energy of an electromagnetic wave that has a wavelength of 7.0 x 10-12 m? Use the equation E -
hc
, where hc = 1.99 x 10-25 Jom.
2
A. 1.4 x 10-36 J
B. 2.8 x 10-14
C. 7.2 x 1035 J
X
D. 9.0 x 10-37 J

Galileos view of arrangement of the universe

Uwill get answer it brainliest will be awarded for →calculate the pressure exerted by a body having a mass of 30kg over an area of contact 400cm2.also explain it for every step there should be

Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.