The sun's electromagnetic radiation is produced by a. gravitational forces in space b. exchange of gases in space c. stationary charges and solar winds d. changing electric and magnetic fields

Under normal temperature and pressure conditions, what type of rock could be formed from weathering in erosion of metamorphic rock

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

Can anybody me with this? ? (picture included.)