68 230
Assignments Done
Successfully Done
In November 2018

Answer to Question #58118 in Mechanics | Relativity for Christbeauty

Question #58118
12 A string of natural length L extends to a new length L' under tensile force F. If Hooke’S law applies, the work done in stretching the spring is ------------
1/2 F(L-L')

13 The molecules of a liquid are held together by what type of forces?
cohesive forces
adhesive forces
surface tension forces

14 Which of these is correct about viscosity?
it increases with increase in temperature
it varies with the relative velocity of the surfaces in contact
it is does not vary from one liquid to another
both viscous force and upthrust act upwards
Expert's answer

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!


No comments. Be first!

Leave a comment

Ask Your question

Privacy policy Terms and Conditions