Suppose a 60 g copper rod is heated so much that the temperature of the rod rises by 15 Celsius degrees. By how much does the temperature of one gram of the copper in the rod change?​

After an atomic bomb has been dropped, the damage continues to get worse. why is this?

Abaseball is thrown a distance of 20 meters. what is its speed if it takes 0.5 seconds to cover the distance

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?