Describe a theme-park ride that has constant speed but changing velocity. you!

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

What is the length x of the side of the triangle below? (hint: use the cosine function)

In positive numbers less than 1, the zeros between the decimal point and non zero are significant