What happens to the particles in a substance during a physical chance

Complete the sentence to describe the law of conservation of energy. The law of conservation of energy states that energy cannot be created

Why does petrol vapour gets stucked into the carborator of thecar.

Ba-11 when passing through a lock, which light means "approach the lock under full control?"

A coiled spring with some soils closely spaced, then some widely spaced, then closely, then widely, then closely, then widely. How many complete wavelengths are present in the sound wave shown? 1 2 4 6

What was J. J Thompson working on when we discovered the electron?

A 60-watt light bulb has a voltage of 120 volts applied across it and a current of 0.5 amperes flows through the bulb. What is the resistance of the light bulb?

In a laboratory experiment, a diffraction grating produces an interference pattern on a screen. If the number of slits in (including the slit spacing) the same, then The fringes stay the same brightness and get closer together.

The gravitational potential has a zero value gravitational field in the same place is? Maximum or null indeterminate

In four-seater countries, temperature drops below 0 ° C during peak winter. Why only the frozen surface of the water instead of the whole river and the lake freezes?

Which type of circuit is more useful and why