Al medir el tiempo de caida de una pelotas se obtuvieron los siguientes valores.
a) el valor probable del l tiempo de caida
b)la medida con su incerteza

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Matter that emits no light at any wavelength is called