How much total energy is dissipated in 10. seconds
in a 4.0-ohm resistor with a current of
0.50 ampere?
(1) 2.5 j (3) 10. j
(2) 5.0 j (4) 20. j

Estimate the magnitude of the electric field due to the proton in a hydrogen atom at a distance of 5.29×10 to the power of −11 m, the expected position of the electron in the atom.

How are elastic and inelastic collisions different? give two or more ways. your answer should have at least 2 sentences.

Zamir and talia raced through a maze. zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east and 4 m north. talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north. compare their displacements: zamir's displacement is talia's displacement.