A teacher does 140 j of work in 20 s. How much power in watts did he use? Show your work.

What is Alzheimer's disease? a. a group of defects that occur as a result of the mother ingesting alcohol during pregnancy b. disorder that rapidly kills brain cells and causes dementia c. fear of being away from the primary caregiver d.

The most likely place to find abundant manganese nodules is on the: a. abyssal plain far from a continent. b. continental rise. continental shelf. c. crest of a mid-ocean ridge. d. All of the above locations contain manganese nodules.

What property is primarily responsible for determining the type of electromagnetic energy and peak wavelength emitted by a star such as the Sun?

A car of mass 1600 kg can just be lifted what is the least force that the electronicmagnet must use to lift the car?

In theory, what would be the approximate weight gain of a person who consumes an excess of 500 kcal every day for four weeks (e. g., about 28 days) ? A) 0.5 lbs B) 2 lbs C) 3 lbs D) 4 lbs

Why do earthquakes and volcanoes occur along continent and ocean boundaries?

Why do different liquids have different viscosities?

A girl, standing on a bridge, throws a stone vertically downward with an initial velocity of 12.0 m/s, into the river below. If the stone hits the water 2.

What other daily household functions could be done without running water or electricity?

A cylindrical rod 120 mm long and having a diameter of 15.0 mm is to be deformed using a tensile load of 35,000 N. It must not experience either plastic deformation or a diameter reduction of more than 1.2 * 10-2 mm.