A 2.4 mm -diameter sphere is charged to -4.4 nC. An electron fired directly at the sphere from far away comes to within 0.39 mm of the surface of the target before being reflected. Part B At what distance from the surface of the sphere is the electron's speed half of its initial value? Express your answer in meters. d= 0.0033 G| ΑΣΦ Submit Previous Answers Request Answer Part C S X Incorrect; Try Again; 2 attempts remaining a = Submit What is the acceleration of the electron at its turning point? Express your answer in meters per second squared. IVE ΑΣΦ 3.265. 10¹8 ? Previous Answers Request Answer ? m m/s²

A 2.4 mm -diameter sphere is charged to -4.4 nC. An electron fired directly at the sphere from far away comes to within 0.39 mm of the surface of the target before being reflected. Part B At what distance from the surface of the sphere is the electron's speed half of its initial value? Express your answer in meters. d= 0.0033 G| ΑΣΦ Submit Previous Answers Request Answer Part C S X Incorrect; Try Again; 2 attempts remaining a = Submit What is the acceleration of the electron at its turning point? Express your answer in meters per second squared. IVE ΑΣΦ 3.265. 10¹8 ? Previous Answers Request Answer ? m m/s²