Module 3 Problem 1 and 3 Calculus Based Physics 2

(11%) Problem 1: Two points, point 1 and point 2, are located inside a region with an electric field pointing to the left, as shown in the figure.\f& 50% Part (a) If a proton is moved from point 1 to point 2, how will the potential energy of the charge-field system change? How will the potential change? O Increases / Increases Increases / Decreases O Decreases / Increases Grade Summary Deductions 096 Decreases / Decreases Potential 10096 Submissions Attempts remaining: 3 (339% per attempt) detailed view Submit Hint Feedback I give up! Hints: 09% deduction per hint. Hints remaining: 3 Feedback: 09% deduction per feedback.50% Part (b) If, instead, an electron is moved from point 1 to point 2, how will the potential energy of the charge-field system change? How will the potential change? Decreases / Increases O Increases / Decreases O Increases / Increases Grade Summary Deductions 046 ODecreases / Decreases Potential 10046 Submissions Attempts remaining: 3 (339% per attempt) detailed view Submit Hint Feedback I give up! Hints: 096 deduction per hint. Hints remaining: 3 Feedback: 09% deduction per feedback.(119%) Problem 3: Consider the parallel-plate capacitor shown in the figure. The plate separation is 3.5 mm and the the electric field inside is 25 N/C. An electron is positioned halfway between the plates and is given some initial velocity, vi. Randomized Variables d = 3.5 mm E = 25 N/C\f& 50% Part (a) What speed, in meters per second, must the electron have in order to make it to the negatively charged plate? Grade Summary Via Deductions 046 Potential 10096 tan() 7 HOME Submissions Attempts remaining: 10 cotan( asin() acoso E 4 (596 per attempt) atan() acotan() zinho 1 2 3 detailed view coshO tanh() cotanh( 0 END ODegrees O Radians BACKSPACE INII. CLEAR Submit Hint Feedback I give up! Hints: 096 deduction per hint. Hints remaining 1 Feedback: 09% deduction per feedback.50% Part (b) If the electron has half the speed needed to reach the negative plate, it will turn around and go towards the positive plate. What will its speed be, in meters per second, when it reaches the positive plate in this case? VEb Grade Summary Deductions 096 Potential 10046 sin() tan() HOME Submissions cotan( asin() acos( E Attempts remaining: 10 (50% per attempt) atan( acotan() zinho EC 1 2 3 detailed view coshO tanh() cotanh() + 0 END O Degrees O Radians BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 096 deduction per hint. Hints remaining: 1 Feedback: 09% deduction per feedback