The polar coordinates of a point are given. Find the rectangular coordinates of the point.(-4, 270°)

A criticism of the video ,A Day’s Work , is that the narrator gave little insight into the effect on the family of the worker who was killed.

Which one of the following is most likely to represent an example of a human factors incident?

The third brake light in the cars plays a vital role in distracting other drivers

The Batman squirt gun was a bad design because:  

Which of the following is a reason why humans can be poor decision makers?

With regards to human factors, the “magic number” of judgments one can typically make along a given dimension is:

We dissolve 12.25 g of sugar in 1000.0 g (i.e. 1.0 kg) water. What is the mass percent of sugar in the solution?

Exactly 17.0 mL of a H2SO4 solution was required to neutralize 45.0 mL of 0.235 M NaOH. What was the concentration of the H2SO4 solution? H2SO4 (aq) + 2NaOH (aq) → 2H2O (l) + Na2SO4 (aq)

A 0.20 M solution of an electrolyte has a pH of 4.0. The electrolyte is: