Could we experience heat without matter? what do you think is the relationship between heat and matter?​

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

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?