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When temp increases, kinetic energy of molecules increases. Higher kinetic energy means molecules move around more and increased movement leads to more collisions. Collision theory states that the rate of...

Newton's law of gravitation is;
F = GMm/(r²)
Where G is the Universal Gravitational constant, M is the mass of Earth, m is the mass of the object and r is the radius of Earth (no valu...

The key to good close reading is understanding the text: read the passage through slowly and carefully, and make sure you understand what’s happening. If it’s a poem, what is the poet trying to say? Or wh...

You would first want to draw out a tree diagram (example given by whiteboard) and divide the number given e.g. 8 in the question by prime numbers e.g. 8 can be split into two branches 2 and 4. 2 is a prim...

28 days holidays is equivalent to 4 weeks holiday. So in total works for 48 weeks. Now Bob works 30 hours per week, multiply this by 48 giving 1440 hours for his working year. So in order to solve for his...