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The only forces acting on the balls are gravity (pulling down) and air resistance (pushing up). Since the balls are the same shape and size, the air resistance will be the same on both. Likewise, the grav...

Simply, the imperfect tense is used to convey an action in the past that was taking place over a period of time e.g. 'Je regardais la télé' = 'I was watching TV' - the act of watching TV was not instantan...

x=1, y=3; Firstly, rearranging for x in the first equation: x = (7-2y); Substitute this into the second equation: 3y - (7 -2y) = 8; Expand: 3y -7 +2y = 8 (watch negative) 3y +2y = 15 Therefore, 5y = 15 an...

When approaching a question like this, it’s important to identify the two compounds that we are dealing with first. Sodium is an alkali metal, and therefore the metallic structure that it forms comes from...

In the Platonic dialogue Euthyphro, Socrates asks the greek prophet Euthyphro the question: "is the pious pious because it is loved by the gods or is it loved by the gods because it is pious?", ...