Biology Forums - Study Force

Science-Related Homework Help Astronomy Topic started by: Tegab on Mar 19, 2018



Title: A mass of 50. kg is suspended from a steel wire of diameter 1.0 mm and length 11.2 m. How much will ...
Post by: Tegab on Mar 19, 2018
A mass of 50. kg is suspended from a steel wire of diameter 1.0 mm and length 11.2 m. How much will the wire stretch? (The Young's modulus for steel is 20  1010 N/m2.)
 
  What will be an ideal response?

Question 2

If you find yourself in a locality where the magnetic declination is 15. East, in which direction is true North in relation to a compass needle?
 
  What will be an ideal response?

Question 3

At the lower left of the HertzprungRussell diagram we find
 
  A) supergiant stars
  B) red giant stars
  C) white dwarfs
  D) main sequence stars

Question 4

Why can a 25. watt fluorescent lamp produce as much illumination as a 100. watt incandescent lamp?
 
  What will be an ideal response?


Title: A mass of 50. kg is suspended from a steel wire of diameter 1.0 mm and length 11.2 m. How much will ...
Post by: Mikestreff on Mar 19, 2018
Content hidden


Title: A mass of 50. kg is suspended from a steel wire of diameter 1.0 mm and length 11.2 m. How much will ...
Post by: Tegab on Mar 19, 2018
I wanna give this person a hug.