Homework Help: physics

Posted by lalala on Thursday, January 19, 2012 at 4:33am.

You measure a quantity, say A, and it has a 1% uncertainty.
If you calculate the value of 100A, its uncertainty will be

a. 100%

b. 10%

c. 1%

d. Need more information since it depends on what A is.

physics - drwls, Thursday, January 19, 2012 at 6:19am
c. The relative uncertaibty remains the same when you multiply by a constant.
physics - amper, Thursday, January 19, 2012 at 11:02am
its just a simple ratio problem

solution:

100A X
A 0.01

THEN THE EQUATION WILL BE

100A/A=X/0.01

Answer this Question

Related Questions

Physics - Suppose I measure the velocity of an object at two different times, t1...
Physics - you measure the diameter of a circle then you calculate the radius of ...
Chemistry - [6 points] You need to make a solution of Ca(NO3)2 for a class ...
science - Which One Is The Right Answer? A Coulomb Is A Measure Of _____ Whereas...
Physics =( - How do you calculate the uncertainty for the average diameter? I ...
chemistry - Every measurement has a measurement uncertainty. Discuss how precise...
Chemistry - The given actual molarity of sulfuric acid was .08M. How do I ...
PHYSICS - A proton is confined to a nucleus whose diameter is 5.5*10^-15m. If ...
physics uncertainty - experiment times: .15, .13, .16, .14, .15, .14, .15, .14 ...
Biology - Uncertainty - I'm doing a bio lab, and I have collected data on ...

For Further Reading

First Name:
School Subject:
Answer: