If the supermarket is 12 miles away and the male walking speed is 1.4 meters per-second, why is it taking my dad 16 years to come back from the supermarket?

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.

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.