aE Revew I Constants • Part A A platypus foraging for prey can detect an electric feld as smal as 0.002 N/C. To give an idea of sensitivity of the platypus's electric sense, how tar from a +10 nC point charge does the feld have this magnitude? Express your answer with the appropriate units 167.4
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- Question 15 Two stationary positive point charges, charge 1 of magnitude 3.15 nC and charge 2 of magnitude 1.65 nC , are separated by a distance of 31.0 cm . An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. Part A What is the speed vfinal of the electron when it is 10.0 cm from charge 1? Express your answer in meters per second. • View Available Hint(s) ΑΣφ Vfinal m/s SubmitThe two parallel plates in the figure (Figure 1)are 2.0 cm apart and the electric field strength between them is 1.30 x104 N/C. An electron is launched at a 45° angle from the positive plate. Part A What is the maximum initial speed vo the electron can have without hitting the negative plate? Express your answer with the appropriate units. • View Available Hint(s) HA Value UnitsDon't use chat gpt It
- Part A Two 2.0cm x 2.0cm metal electrodes are spaced 1.4 mm apart and connected by wires to the terminals of a 9.0 V battery. What is the charge on each electrode? Express your answer with the appropriate units. • View Available Hint(s) HÁ Value Units Submit ▼ Part B What is the potential difference between electrodes? Express your answer with the appropriate units. • View Available Hint(s) HÀ AV = Value UnitsFigure 1.0 nC 3.0 cm A -2.0 nC 3,0 cm 30 cm 1 of 1 -2.0 nC Part A What is the electric potonhal energy of the group of charges in the figure? Eigun1) Express your answer with the appropriate units Value Submit JA Provide Feedback h ? Previous Answers Request Answer x Incorrect; Try Again: 7 attempts remaining Enter your answer with a different und type Review a stat acceptable an P Pearson Next.I Review | Constants | Periodi Part B Consider an initial system of three charges shown in (Figure 1). An object with charge q4 = + 8.0 × 10¬8 C will be moved to position C from infinity (not shown in the figure). q1 = q2 = q3 = +10.0 × 10¬8 C. Determine the final electric potential energy of the system consisting of all four charges, with q4 at position C. Express your answer with the appropriate units, to two significant figures. µA ? - 3 Uaf = 2.1 • 10 J Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part C Figure 1 of 1 Determine the work done on the system by moving the charge q4 from infinity to point C. Express your answer with the appropriate units, to two significant figures. HA ? 20.0 cm W = Value Units 92 +-20.0 cm C 20.0 cm Submit Request Answer Part D 93please answer 2nd question asapPls helpII Review | Constants | Periodic Table The dielectric in a capacitor serves two purposes. It increases the capacitance, compared to an otherwise identical capacitor with an air gap, and it increases the maximum potential difference the capacitor can support. If the electric field in a material is sufficiently strong, the material will suddenly become able to conduct, creating a spark. The critical field strength, at which breakdown occurs, is 3.0 MV/m for air, but 60 MV/m for Teflon. Part A A parallel-plate capacitor consists of two square plates 11 cm on a side, spaced 0.55 mm apart with only air between them. What is the maximum energy that can be stored by the capacitor? Express your answer in joules. ν ΑΣφ ? x" х-10п U air = J Submit Previous Answers Request Answer Part B What is the maximum energy that can be stored if the plates are separated by a 0.55-mm-thick Teflon sheet? Express your answer in joules. Nνα ΑΣφ U Teflon = J Submit Request AnswerPlease AsapSEE MORE QUESTIONS