Ametallic laboratory spring is typically 5.00 cm long and 0.150 cm in diameter and has 50 coils.

if you connect such a spring in an electric circuit, how much self-inductance must you include for it if you model it as an ideal solenoid?

Why are some galaxies’ spectra blueshifted rather than redshifted? question 4 options:

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue