The graph given below shows the motion of four runners P, Q, R, and S in a 5 km marathon. a) Who ran fastest? Explain your answer? b) How can we determine the speed of runner Q from the graph? c) Calculate average speed of runner R? d) Plot a...
svetlenarose
Asked:
December 2022
Write the word equation for two chemical reactions with the help of materials given in the box Air, copper sulphate ,iron, vinegar, iron oxide ,carbon dioxide ,iron sulphate, copper , limewater ,water