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Two small nonconducting spheres have a total charge of Q=Q1+Q2= 90.0 μC , Q1<Q2. When placed...

Two small nonconducting spheres have a total charge of Q=Q1+Q2= 90.0 μC , Q1<Q2. When placed 31.0 cm apart, the force each exerts on the other is 13.0 N and is repulsive.

Part A: What is the charge Q1?

Part B: What is the charge Q2?

Part C: What would Q1 be if the force were attractive?

Part D: What would Q2 be if the force were attractive?

Solutions

Expert Solution

Given and

If the force is repulsive ,the charges should be like charge,either both positive or both negative

Given

-------------------

Use formula

Solve the quadratic equation using a calculator

PART A) ANSWER:

PART B) ANSWER:

==========================

If the force were attractive?

If the force is attractive,the charges should be unlike charge,one negative and other positive

Since ,Q2 should be negative and Q1 positive

-------------------

Use formula

Solve the quadratic equation using a calculator

PART C) ANSWER:

PART D) ANSWER:

==========================

genius_generous answered 5 months ago
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