Subject Answers

There are two types of waves: transverse and longitudinal. Light is a transverse wave, therefore its oscillations are perpendicular to the direction of motion....

A: Pressure is defined as the amount of force exerted on a surface per unit area. Equation-wise, it can be written as follows:Now, we have the person’s weight -...

A: For that, we have gravity to thank! People and the planet Earth both have masses, and so there’s a gravitational force of attraction experienced between the...