To study the relativity of time, we will consider a MRU wagon with velocity v relative to the ground. A flat mirror is placed on the roof of the wagon, and on the floor a lantern is glued at a distance d from the mirror, as shown below: The lantern emits from the floor a pulse of light that goes to the mirror and back to it.

In this section you will find several interesting videos about Physics, selected on the Internet by our team. Physics Experiment - Bulb Thermometer Physics Wizard - Newton's Pendulum Physics Video Lesson: How to Create an Electric Motor Accelerated Motion Physics Wizard - Levitron - Anti-Gravity Phenomenon What it would be like to drive at the speed of light slow Vacuum effects How does an igloo keep you warm?

Thermometric Scales (1) A Brazilian tourist feels bad during a trip to New York. On examination at a local hospital, the nurse tells him that his current temperature was 105 ° C, but that he should rest assured that he had already dropped 4 ° C. After the fright, the tourist realized that his temperature had been measured on a Fahrenheit scale.

It is the delocalization of the electronic pairs π (pi) of the double bonds of the aromatic ring, having an equal effect on all regions of the structure. The resonance effect gives stability to the molecule. This offset is represented by a circle in the center of the ring. Each ring has three π (pi) bonds.

Lipids are of great importance to the functioning of the body of humans. They constitute animal and vegetable oils and fats. They can be found in foods such as butters and margarines, olive oil, oils, hams, salami and in high fat fruits such as avocado.

Wave: part of the physics that studies all types of waves and their propagation. Wave: Disturbance that propagates in a continuous medium. Concentric lines or surfaces that produce in a fluid mass when one of its points has received a pulse. Ohm: unit designated by the International Measurement System (SI) for electrical resistance measurement, symbolized by Ω.