What is the difference between a scalar and a vector quantity?
A scalar quantity has magnitude only - for example distance.A vector has magnitude and direction - for example gravity (acceleration towards the centre of Earth).
EW
Related Physics GCSE answers
All answers ▸Describe the purpose of the moderator in a nuclear fission reactor.
What is a chain reaction?
The Alternating Current Flowing through the Primary Coil of the Transformer Creates an Alternating Current in the Secondary coil. Explain how!
Two cars are crash tested. Car A has a crumple zone, B doesn't. Both cars have mass 1500kg and a driver of mass 80kg and crash at 20m/s. Cars A and B take 0.8 and 0.2 seconds to stop respectively. Using this information, are crumple zones a necessity? (6)