If two resistors of value r are connected in series and then in parallel, what is the difference in equivalent resistance in both cases?

a) 0 b) 3R/2 c) R/2 d) 2/R

would the phases of the moon be affected if the moon didn't make one rotation for each revolution of earth?

A ball is thrown straight up. What can be said about the sign of work done by the force exerted by gravity while the ball moves up and then down?

An object movies in uniform circular motion. What is true regarding the force on the object?

In the alpha decay of Francium-221, what daughter element is produced? (You may need to refer to the periodic table in the lesson.)

Which of the following is an inelastic collision?

True or false. The Axis powers were made up of a coalition of countries that opposed the Allied powers in World War II.

A metal object is suspended from a spring scale. The scale reads 930 N when the object is suspended in air, and 731 N when the object is completely submerged in water. Find the volume of the object. The acceleration of gravity is 9.8 m/s 2.

If two resistors of value r are connected in series and then in parallel, what is the difference in equivalent resistance in both cases? a) 0 b) 3R/2 c) R/2 d) 2/R

The object on the left is a discus, a piece of sports equipment made of a metal core, a plastic inner rim, and a metal outer rim. The object on the right is a flying disc, a piece of sports equipment made of plastic.

Oceangrapgher is the study of the ocean