In a room with a blackboard on one wall sit two SECONDS TIMERs, each with their dials set at the 60/0 mark.
A blackboard in a classroom with the word physics written on it.
A classroom with clocks on the tables and a blackboard that says Physics.
On the tables sit some seconds timers and the dials are at the 60/0 mark.
A yellow timer showing the hand on 60 seconds