An autonomous delivery drone is cruising horizontally in a straight line at a constant speed of 18 m/s. When its optical sensors identify an unexpected obstacle, there is a processing delay before the drone initiates deceleration. During this processing time, the drone travels a distance of 6.2 m.
Calculate the drone's processing delay.
Give your answer to 2 significant figures.
39 exam-style questions on Edexcel GCSE Physics 2.5 Stopping and braking distances. Each one has a worked solution and a mark scheme showing where the marks go.