Simply the answer would be .38 if this is not correct then i failed
Answer:

Step-by-step explanation:
We are given that
By ohm's law

R=389 ohm
I=0.03 A


We have to find rate of change of current I means 
Differentiate the equation w.r.t t

Substitute the values then we get





Hence, the current I is changing at the rate=-0.00016A/s
Answer:
108.862 kg
Step-by-step explanation:
270lb -30lb =240 lb
240 lb is approx. 108.862 Kg
(Pounds are approx 2.205 times Kg)
<em>I hope this helps! :)</em>