Based on the period of the stopper and the radius of its circular motion, you calculate the centripetal acceleration to be 9.8 m/s2. What can you infer about the weight of the stopper?

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 relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer