8 questions of physics1 Use (10.1.1) with r = 0.01m. We’re told that q1 = q2, so you can replace q2 by q1 and then solve for q1. 2 Again use (10.1.1). You don’t need to know the result of the last problem. We know what the force at r = 0.01m is: F = 0.001N. Now we want to increase the distance to rnew = 0.05m. To find out how this changes the force, form the ratio between the unknown new force and the previous force: Fnew =? F The charges q1 and q2 in the formula for Fnew and F are unchanged, so q1 and q2 cancel in the ratio on the right-hand side. Only the ratio between r and rnew will appear – and you know its value. You should get a force that’s a lot smaller than F from problem 1. 3 Again use (10.1.1). The mass in kg isn’t relevant to the answer. 4 Again use (10.1.1), making sure to use meters and not km for the distance r. Also state if the force is force is attractive or repulsive. 5 Again use (10.1.1): solve for r. 7 Use (10.2.1) 10 Again use (10.2.1): solve for the field by dividing both sides by the charge (also specify the direction of the field).

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lab should have:Introduction:about lab Data: i will send it Analysis: 5 questions Conclusion