Answer:
velocity of all electromagnetic waves are

So, the ratio is equal to 1.
Energy cannot be created or destroyed only changed or transferred into one form or another
True! In order for work to be done, a force must cause movement.
Answer:
C
Explanation:
When the planet is closest to the Sun, speed v and kinetic energy are the highest, and gravitational potential energy is the lowest.
Heat energy required to change the temperature is given by

here we know that




now from above formula we will have


So it will remove 28255.5 J heat from the water