A coach leaves the station at 10am and reaches Gloucester
station at 11.30am. It stops
here for half an hour. It then
carries on for 30 minutes
reaching Worcester 40 km later.

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings