One end of a post weighing 400n and with height h rests on a rough horizontal surface with μs=0.30. the upper end is held by a rope fastened to the surface and making an angle of 36.9∘ with the post. a horizontal force f⃗ is exerted on the post as shown

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.

If y gets smaller as x gets bigger and y have an relationship?

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground