Light Year: Measuring Astronomical Distances

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A light year is a measure of distance in astronomy. It is the distance that light travels in one year. Light travels at a speed of 299,792,458 meters per second. So, one light year is equal to 9.461e12 kilometers. This is a very large distance. For example, the nearest star to Earth, Proxima Centauri, is … Read more

The Science Behind Car Motion: Acceleration, Speed, And Mass

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Acceleration, speed, force, and mass are key factors influencing the behavior of a car. As the speed of a car increases, the acceleration experienced decreases. This phenomenon is attributed to the interplay between the force applied to the car and the resisting forces, such as air resistance and rolling resistance, that counteract the forward motion. … Read more