College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Electric Charges and Fields
One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.
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Can you please help with both of the questions, I just need part B for the first question and I need all of 2.
2 Consider a positive charge Q₁ of magnitude 6.5 µC fixed at the origin with another positive charge Q2 of magnitude 7.5 µC moving near it. Charge Q2 has a mass of 3.5 g. Where applicable, let the potential energy be zero when charges are very far apart from each other. # 3 Hint E a. What is the potential energy of Q2 when it is 4.2 cm from Q₁? PEQ2 = 10.44 b. If Q2 is released from rest at 4.2 cm from Q1, how fast is it moving when it reaches 9.2 cm from Q₁? Hint for (b) D F3 80 Question Help: Message instructor VQ2 = Submit Question C $ 4 8888 F4 R F % 5 V T G m/s. J. 6 B Y H & 7 40 U N * 00 8 J DII FB I M ( 9 K DD F9 0 -O 0 < 1 L A F10 P I . F11
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Transcribed Image Text:2 Consider a positive charge Q₁ of magnitude 6.5 µC fixed at the origin with another positive charge Q2 of magnitude 7.5 µC moving near it. Charge Q2 has a mass of 3.5 g. Where applicable, let the potential energy be zero when charges are very far apart from each other. # 3 Hint E a. What is the potential energy of Q2 when it is 4.2 cm from Q₁? PEQ2 = 10.44 b. If Q2 is released from rest at 4.2 cm from Q1, how fast is it moving when it reaches 9.2 cm from Q₁? Hint for (b) D F3 80 Question Help: Message instructor VQ2 = Submit Question C $ 4 8888 F4 R F % 5 V T G m/s. J. 6 B Y H & 7 40 U N * 00 8 J DII FB I M ( 9 K DD F9 0 -O 0 < 1 L A F10 P I . F11
Consider two positive charges Q₁ and Q2 of the same magnitude 4 μC symmetrically placed on the z-axis at z = ±2.6 cm. Consider a third positive charge Q3 of magnitude 8 µC and mass 7.5 g moving along the y-axis. Where applicable, let the potential energy be zero when charges are very far apart from each other. # 3 E D Hint a. What is the potential energy of Q3 when it is at y = 2.6 cm? Hint for (a) PEQ3= b. If Q3 is released from rest at y = 2.6 cm, how fast is it moving when it reaches y = 9.6 cm? Hint for (b) F3 80 VQ3 Question Help: Message instructor Submit Question $ 4 R LL 200 F4 % 5 F5 T G m/s. ^ 6 J. Y H 87 & F7 U * 00 8 J DII F8 ( 9 K F9 ) . O 0 A F10 L 1 0 P จิ F11 {
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Transcribed Image Text:Consider two positive charges Q₁ and Q2 of the same magnitude 4 μC symmetrically placed on the z-axis at z = ±2.6 cm. Consider a third positive charge Q3 of magnitude 8 µC and mass 7.5 g moving along the y-axis. Where applicable, let the potential energy be zero when charges are very far apart from each other. # 3 E D Hint a. What is the potential energy of Q3 when it is at y = 2.6 cm? Hint for (a) PEQ3= b. If Q3 is released from rest at y = 2.6 cm, how fast is it moving when it reaches y = 9.6 cm? Hint for (b) F3 80 VQ3 Question Help: Message instructor Submit Question $ 4 R LL 200 F4 % 5 F5 T G m/s. ^ 6 J. Y H 87 & F7 U * 00 8 J DII F8 ( 9 K F9 ) . O 0 A F10 L 1 0 P จิ F11 {
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Step 2: Calculation of potential energy of Q2
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Step 3: Speed of Q2 charge
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Step 4: Potential energy of charge Q3
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Step 5: Speed of charge Q3
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