The force F = -12 · i + 16 · j (S. I) acts on a 2-kg body for 5 s. If your
initial velocity is vo = 30 · i - 20 · j (S. I):
a) Determine the mechanical impulse of the force.
b) Calculate the initial and final linear moment of the body.
c) The final speed of the body.

What is the approximate amplitude of this wave a.10 seconds b.15 centimeters c.30 centimeters d.15 seconds

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.

Decreased sensitivity to an unchanging stimulus is known as