Question

1. what are some existing technologies that that uses a combination of two or more physics principles

2. what physics formulas are applied in this?

Answer 1

1.

Physics has helped us develop medical technologies like Magnetic Resonance Imaging (MRI) scanners, x-rays, radiation therapy for cancer treatment, and ventilators for patients whose lungs can't breathe for them.

MRI scanners use giant magnets to take pictures of the inside of the human body, including the brain itself. They do this by aligning all the magnetic particles in your body, and detecting how long it takes for the particles in different tissues to go back to normal.

X-rays use waves in a particular part of the electromagnetic spectrum to create images of your bones: x-rays can go through your soft tissues, but bounce off your bones.

Radiation therapy uses another part of the electromagnetic spectrum to kill cancer cells.

Ventilators use the physics principles of pressure and fluid flow to artificially work your lungs