Select the correct answer from each drop-down menu.
two magnets are placed as shown in the image.

the force of blank between the poles b and c is blank . and the force of blank between the poles a and d is blank fill in the planks

a. attraction
b. repulsion

a. maximum
b. minimum

a. attraction
b. repulsion

a. maximum
b. minimum

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.

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v