Explain the following using F= ma. a) A racing car has a powerful engine and is made of
strong but lightweight material.
b) A car with a small engine can still accelerate rapidly.
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Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.

True or false graphs must include scales that increase by the same amount

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.