A solenoid is 1.6m long and had 510 turns per meter.

What is the cross-sectional area of this solenoid if it stored 0.31 J of energy when it carried a current of 14 A? (Answer In m^2 units)

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

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer