An electron moving to the right at 6.0×105 m/s enters a uniform electric field parallel to its direction of motion. If the electron is to be brought to rest in the space of 7.0 cm . What direction is required for the electric field? O left O up down O right Submit Request Answer Part B What is the strength of the field? Express your answer using two significant figures. ? E = N/C Submit Request Answer

Part A An electron is moving east in a uniform electric field of 1.55 N/C directed to the west. At point A, the velocity of the electron is 4.52x105 m/s pointed toward the east. What is the speed of the electron when it reaches point B, which is a distance of 0.365 m east of point A? Express your answer in meters per second. ? Ve = m/s Part B A proton is moving in the uniform electric field of part A. At point A, the velocity of the proton is 1.88x1o4 m/s , again pointed towards the east. What is the speed of the proton at point B? Express your answer in meters per second. Up = m/s

Part A Two 3.0-cm-diameter disks face each other, 2.3 mm apart. They are charged to + 14 nC. What is the electric field strength between the disks? Express your answer with the appropriate units. > View Available Hint(s) HÁ E = Value Units %3D Submit Part B A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have to just bare reach the positive disk? Express your answer with the appropriate units. • View Available Hint(s) HA Value Units = Submit

A uniform electric field exists in the region between two oppositely charged plane parallel plates. An electron is released from rest at the surface of the negatively charged plate and strikes the surface of the opposite plate, 3.80 cm distant from the first, in a time interval of 1.50×108 s For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Accelerating an electron Part A Find the magnitude of this electric field. Express your answer in newtons per coulomb. 1957 ΑΣΦΑ E- Submit Part B Request Answer Find the speed of the electron when it strikes the second plate. Express your answer in meters per second. VE ΑΣΦ| UM ? N/C m/s

Scientists in the laboratory create a uniform electric field E = 1.2x106 V/m in a region of space where B = 0. ▼ Part A What are the components of the electric field in the reference frame of a rocket traveling in the positive x-direction at 7.0x105 m/s ? Express your answer using two significant figures separated by commas. ΠΠ ΑΣΦ Ez, Ey, Ez = Submit Part B Request Answer Br, By, B₂ = Submit What are the components of the magnetic field in the reference frame of the rocket? Express your answer using two significant figures separated by commas. ΠΡΕΙ ΑΣΦ ? Request Answer V/m ? T

Part A Determine magnitude of the electric field at the point P shown in the figure(Figure 1). The two charges are separated by a distance of 2a. Point P is on the perpendicular bisector of the line joining the charges, a distance z from the midpoint between them. Express your answer in terms of Q, a, a, and k. V ΑΣ φ . ? E = Submit Request Answer Part B Determine the direction of the electric field. Assume that the positive x and y axes are directed to the right and upward respectively. O in the negative x direction O in the positive y direction O in the positive x direction O in the negative y direction Submit Request Answer < Return to Assignment Provide Feedback Figure < 1 of 1 +Q a P a -Q Pearson

A downward electric force of 2.4 N is exerted on a -7.0 μC charge. Part A Find the magnitude of the electric field at the position of this charge. Express your answer to two significant figures and include the appropriate units. HÁ ? E = Value Units Submit Request Answer Part B What is the direction of the electric field at the position of this charge? upward downward Submit Request Answer

Two 1.8-mm-diameter beads, C and D, are 12 mm apart, measured between their centers. Bead C has mass 1.0 g and charge 2.3 nC. Bead D has mass 2.5 g and charge -1.0 nC. Part A If the beads are released from rest, what is the speed vc of C at the instant the beads collide? Express your answer with the appropriate units. ► View Available Hint(s) D vc= 0.057 Submit μÀ Previous Answers m S ? X Incorrect; Try Again; 7 attempts remaining

Part A A downward electric force of 9.0 N is exerted on a -9.5 µC charge. Find the magnitude of the electric field at the position of this charge. Express your answer to two significant figures and include the appropriate units. HA N E = 9.47 10 Droio e Anaanrs Ponuns Aneam • Previous 神 hp W hp 15 f6 f7 f8 f9 f10 f11 F12 insert

Part A An electron is moving east in a uniform electric field of 1.47 N/C directed to the west. At point A, the velocity of the electron is 4.46x105 m/s pointed toward the east. What is the speed of the electron when it reaches point B, which is a distance of 0.395 m east of point A? Express your answer in meters per second. V₁ = Submit Part B || ΑΣΦ ← Request Answer 给 ΑΣΦ A p=1.73.104 Ć A proton is moving in the uniform electric field of part A. At point A, the velocity of the proton is 1.92x10 m/s, again pointed towards the east. What is the speed of the proton at point B? Express your answer in meters per second. C 16 ? Submit Previous Answers Request Answer ? m/s * Incorrect; Try Again; 29 attempts remaining m/s