Answer:
The value is 
Explanation:
From the question we are told that
The formula for the Electric potential difference is 
The current is 
The uncertainty of the current is 
The Resistance is 
The uncertainty of the Resistance is 
Taking the log of both sides of the formula

=> 
differentiating both sides

Here V is mathematically evaluated as


So from
![\Delta V = V * [\frac{\Delta I}{I} +\frac{\Delta R}{R} ]](https://tex.z-dn.net/?f=%5CDelta%20V%20%20%3D%20%20V%20%2A%20%5B%5Cfrac%7B%5CDelta%20I%7D%7BI%7D%20%2B%5Cfrac%7B%5CDelta%20R%7D%7BR%7D%20%5D%20)
![\Delta V = 183.21 [ \frac{0.3 }{9.3} + \frac{0.6}{19.7}]](https://tex.z-dn.net/?f=%5CDelta%20V%20%20%3D%20%20183.21%20%20%5B%20%5Cfrac%7B0.3%20%7D%7B9.3%7D%20%2B%20%5Cfrac%7B0.6%7D%7B19.7%7D%5D)
=> 
Answer:
as net charge of a current carrying conductor is zero so no electric field is associated with at.
And
as moving charges give rise to magnetic field so magnetic field is associated with it
Definitely not A or B. It really depends on the size of the boulder... It should be kilograms, unless it's a extremely huge boulder.
Density is mass divided by volume. rho=m/v. So, v=m/rho. In frank's case this is 80/8 = 10 cm^3.
Answer:
The answer to your question is: t = 2.5 s
Explanation:
Data
vo = 30 m/s
a = -12 m/s2
t = ?
vf = 0 m/s
Formula
vf = vo + at
Substitution
0 m/s = 30 + (-12)t
Solve it for t -30 = -12t
t = -30 / -12
t = 30/12 = 15/6 = 5/2
t = 2.5 s