Desalination is needed in order to obtain potable water from __.

A glaciers

B aquifers

C lakes

D oceans

The position vector of a particle of mass 2 kg is given as a function of time by ~r = (6 m) ˆı + (3 m/s) t ˆ. Determine the magnitude of the angular momentum of the particle with respect to the origin at time 3 s.

What happens when a negatively charged object A is brought near a neutral object B? A Object B gets a negative charge B. Object B gets a positive charge. Cobject B stays neutral but becomes polarized. D. Object Agets a positive charge.

A green plant absorbs light a frog eats flies these are both examples of how organisms

In his psychology class, Professor Adams said that fear of spiders and snakes are common in humans, but fear of automobiles is not. This is true even though far more people are killed by automobiles than by spiders or snakes.

Can charging by friction occur only in solids? explain using an example.

Suppose if you whirl a yo-yo about your head in a horizontal circle. in what direction must a force act on the yoyo? What exerts the force?

Solutions with a low pH have which of these properties? - have an - OH value -feels slippery -tastes sour -turns litmus paper blue

Steel is a mixture of iron and carbon. It can be separated into iron and carbon by melting it. What is steel? A. A compound B. An element C. A molecule D. An alloy

Consider two small masses of air, both at a pressure of 1000 mb. One mass is on the beach in Costa Rica (lucky air mass) and the other is on a glacier in Greenland (Sad!). Which mass has the higher density?

Metric Unit for Weight (Not grams)