Un automóvil que marcha con una velocidad de 72km/h frena de tal forma que 6s después del inicio de la frenada, su velocidad es de 8m/s. Calcular a) tiempo empleado por el automóvil hasta detenerse, b) distancia recorrida por el automóvil hasta detenerse

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Why is metal often used for cooking pan?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?