What do the significant events represent? What are the significant events usually? The simnifica​

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Estimate the kinetic energy of the neptune with respect to the sun as the sum of the terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. [assume the neptune is a uniform sphere with mass = 1.0×1026 kg , radius = 2.5×1010 m , rotation period 16.1 h , orbital period 6.01×104 d and is 4.6×109 km from the sun.]

How do you find the valume for a cylinder