Two blocks (m₁ = 4.0 kg on a table, m₂ = 2.0 kg hanging over a pulley) are connected by a string. Assuming the table is frictionless, what is the acceleration of the system? Use g = 9.8 m/s².

The diagram shows two point charges. Charge A has +4 μC and charge B has +2 μC. They are separated by 0.10 m. What...

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...