Which electromagnet would have the most strength?* An electromagnet with a 2cm diameter iron core,

An electromagnet with a 4cm diameter iron core.

An electromagnet with a 6cm diameter iron core.

An electromagnet with a 8cm diameter iron core.

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little