Question 3: Comparing Elastic and Inelastic Collisions Part A

How do the changes in velocity of ball 1 and ball 2 compare in elastic (bouncy) and inelastic (sticky) collisions? Use these

number lines to help you decide.

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

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?