(14%) Problem 8: Consider a circuit shown in the figure. Ignore the internal resistances of the batteries. A Randomized Variables &1 = 48 V &2 = 32 V R₁ =3Q R₂=29 R3 = 29. 14% Part (b) Write the equation of potential change in loop EBAF in terms of the circuit elements. EVEBAF = 1-11 R₁-13 R3 ✓ Correct! 14% Part (c) Write the equation of potential change in loop DCAF in terms of the circuit elements. EVDCAF = 2 + 12 R2 -13 R3 ✓ Correct! A 14% Part (d) Solve the three equations to get 13. 13 = 0 &1 В g 13 R₂ SOLER 82 Submit 14% Part (a) Express the current I, going through resistor R, in terms of the currents 12 and 13 going through resistors R₂ and R3. Use the direction of the currents as specified in the figure. I1=I2+ 13 ✔ Correct! 0 I₁ m R3 Hint a d 12 R₁ t Hints: 1 for a 0% deduction. Hints remaining: 0 -You are solving a system of three equations, and the three unknowns are the currents. Use substitution to eliminate I₁ and 12. A 14% Part (e) Calculate the numerical value of I3 in A. A 14% Part (f) Calculate the numerical value of 12 in A. A 14% Part (g) Calculate the numerical value of I, in A. ( ) 1A A 1 * + 7 8 9 4 5 6 1 2 3 - HOME 0 END VO BACKSPACE DEL CLEAR Feedback I give up! Feedback: 0% deduction per feedback. R3 R₁ R₂ &₁ 1₁ F LL E D

The unit of gravitational field strength g is newtons per kilogram. Explain how the unit of gravitational field strength relates to the unit of force.

Let the radius of the Earth be R, and we approximate the Earth as a sphere. In order for an object to glide along the equator of the Earth at sea level, what is the speed at which it needs to be moving? gR gR VgR O (gR)?

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MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A a giant planet with a small moon of has an orbital period of 1.42 days and an orbital radius of 5.52 x 105 km. From this information, determine the mass of the planet. Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. kg