Que es la luz y porque podemos ver los objetos.

During a practice shot put throw, the 7.9-kg shot left world champion C. J. Hunter's hand at speed 16 m/s. While making the throw, his hand pushed the shot a distance of 1.7 m. Assume the acceleration was constant during the throw.

When a brick is dropped from the roof of a house, it lands on the ground with a speed v. What will the speed at ground level be for an identical brick dropped from a roof twice as high as the first one?

supposed to vacuum cleaner uses 120 J of electrical energy. If 45 J used to pull air into a vacuum cleaner, how efficient is the vacuum cleaner?

Why does nuclear fission reaction generally not result in an uncontrolled chain reaction

What will the pressure of gas be if the temperature rises to 87°C

What do you think is the difference between being imaginative in doing science and Doing pseudoscience?

How are energy and temperature related?

Explain why action-reaction forces do not cancel each other out, resulting in zero net force

Which is a correct name for the compound Cuci?

What is the gravitational potential energy of a 65.7 kg person standing on the roof of a 135 meter building?