A hair dryer blows warm air to wet hair what energy is it using

Suppose the mass is pulled down to where the spring's length is 72 cm. When it is released, it begins to oscillate. What is the amplitude of the oscillation?

A bucket with water is rotating in horizontal circle but water doesnot fall. why?

A solid uniform cylinder is rolling without slipping. What fraction of its kinetic energy is rotational?

A puck of mass m 0.085 kg is going in a circle on a horizontal frictionless surface. It is held in its orbit by massless string of length L = 0.84 m. The puck makes one revolution every t = 0.55 s.

Define relative density

Which of these circuit schematics has an ammeter?

What is the meaning of the word corrosion?

Which change occurs when an atom undergoes alpha decay?

the line on the position time graph show the velocites of different vehicles which line represents a vehicle moving at constant velocity

Cómo se visualizan las moléculas en la ciencia y por qué necesitamos una representación visual