The Sun takes up an angular size of about 30 minutes of arc, or 30 arcmin. What would be the angular size of the Sun as seen by an astronaut on Mars, at a distance of 1.5 times farther from the Sun than the Earth is?

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

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth’s center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db