When a battery-powered flashlight is turned on, it releases more energy than it had when it was off. True or False?

Which atomic model was proposed as a result of j. j. thomson’s work?

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?

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?