9. -1 points ZEngMaths 9.4.056 Notes Ask Your Tes The voltage across a conductor

Question

9. -1 points ZEngMaths 9.4.056 Notes Ask Your Tes The voltage across a conductor is increasing at a rate of 2 volts/min and the resistance is decreasing at a rate of 1 ohm/min. Use I at which the current passing through the conductor is changing when R-80 ohms and E-50 volts. E/R and the Chain Rule to find the ra dl dt eBook amp/min 10. 1 points ZlEngMath 9.4.067 My Notes Ask Your Teas The length of the side labeled x of the triangle in the figure below increases at a rate of 0.3 cm/s, the side labeled y increases at a rate of 0.4 cm/s, and the included angle 6 increases at a hate of 0.1 rad/s. Use the Chain Rule to find the rate at which the area of the triangle is changing at the instant x-10 cm, y-7 cm, and ?-?6. (Round your answer to two decimal places. cm2/s eBook

Explanation / Answer

Only one question can be posted as per chegg guidelines

Given

I=E/R

dI/dt =d(E/R) /dt

dI/dt =[RdE/dt -EdR/dt]/R2

dI/dt =[80*2 -50*(-1)]/802

dI/dt =0.0328 amp/min

Related Questions

Navigate

• Browse (All)
• Browse 9
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.