a cylindrical copper rod has resistance r its reformed to half its original length what is its new resistance

Faraday's Law states how voltage can be increased or decreased in a system. True False

When electromagnetic fields interact with charged particles,

Which of the following herbicides is applied before crops start growing, to eliminate weeds in a field? atrazine bromoxynil cyanazine diquat

302,000,000,000 in scientific notation

A magnesium (Mg) atom has 2 valence electrons. Which of the following would be the most likely way for a magnesium atom to become stable? O A. Lose 2 electrons O B. Lose 1 electron O C. Gain 6 electrons O D. Gain 1 electron

What is the fundamental unit for measuring mass in the metric system?

Why are some craters on the moon bigger than others

What object oriented feature can we use to have a single test program, with one set of method calls in which the user can decide which bag implementation (array - or link-based) needs testing?

What might motivate someone to study forensics

A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to five times her weight as she goes through the dip. If r = 17.