Two objects experience the same net force. Object A has mass 2 kg and object B has mass 6 kg. What is the ratio of their accelerations (a_A : a_B)?

The diagram shows electric field lines around two point charges. What is the sign of each charge?

In the circuit shown, a 12 V battery drives current through two resistors in series: R₁ = 4 Ω and R₂ = 8 Ω. What is...

The diagram shows a straight wire carrying current I to the right, placed in a magnetic field B pointing INTO the...

The diagram shows energy levels of an atom. An electron transitions from level n = 3 to level n = 1. What happens?