Carlos does a chin-up in gym class and raises himself 0.5 m. If Carlos has a mass of 10 kg, how much work does he accomplish? (Remember, mass is not a force!) (Use 9.8
m/s/s as g)

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?