What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same?
o a
resistance is directly related to length.
b. resistance is directly related to the square of the length.
resistance is inversely related to the length.
d. resistance is inversely related to the square of the length.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew