What is the escape velocity from a planet with a mass that is 10.8% earths mass and a size that is 53% earths radial size?

Which subatomic particle has a negative charge

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?