Which of the following varies as the electric current varies? The magnetic force decreases The magnetic properties are varied The magnetic domain increases The magnetic domain decreases

Which method would be best to seperate a mixture of oil and water?

If a substance or object has the ability to do work, then it has

A 50-kg object is accelerating to the right at 10 m/s². What is the magnitude of the rightward net force acting on it (in Newtons) ?

A hot air balloon is flying above Grovenburg. To the left side of the balloon, the balloonist measure the angle of depression to the Groveburg soccer fields to be 20 degrees 15'.

Today's computers use millions of transistors. What is one reason they are used? A. Transistors store information. B. Transistors burn out quickly, so many replacements are necessary. C.

What is the force on a 1-kg ball that is falling freely due to the pull of gravity

Which would react chemically by forming an ionic bond? A. 2 chlorine atoms with 7 valence electrons each B. 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron C.

Which of these are considered an oxidizing mutagenic agent? x-rays benzopyrene gamma rays

5. A B note has a frequency of 493.88 Hz. Calculate its wavelength in meters.

When one of the electrons of a particular atom undergoes a transition to a quantum state of lower energy, it a) collides with another of its electrons b) exchanges quantum states with another of its electrons c) undergoes a transition to a quantum