Khoảng cách giữa một prôton và một êlectron là r = 5.10^-11 (m), coi rằng prôton và êlectron là các điện tích điểm, có độ lớn |qe| = |qp| = 1,6.10^-19C­. Lực tương tác giữa chúng là:

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Which situation will produce the greatest change of momentum