Apoint charge of -3.00 μc is located in the center of a spherical cavity of radius 6.90 cm inside an insulating spherical charged solid. the charge density in the solid is 7.35 × 10−4 c/m3.part acalculate the magnitude of the electric field inside the solid at a distance of 9.20 cm from the center of the cavity. express your answer with the appropriate units. ee=

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

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?

What sort of waves exhibit the doppler effect?