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## A-Level Physics: True or False statements

With reference to the figure above, a mass m hangs at the end of a rope which is attached to a support fixed on a trolley moving to the right with a speed v on a horizontal track. The angle, θ, is the angle the rope makes with the vertical. Are the following...

## A-Level Physics: Drawing velocity-time graphs

A steel ball bearing is released from rest above a tall cylinder filled with water.  Sketch the possible velocity-time graphs. Indicate t1, which is the time at which the ball bearing strikes the water surface.     How can we approach the question? Refer...

## A-Level subjects: What subject combination should you choose for the A-Levels?

The O-Level results will be released in a couple of days. If you are eligible for enrolment into Junior College (JC), apart from deciding which JC to apply to, you will need to think about your A-Level subject combination. On the Mark’s Dean, Mr...

## A-Level Physics: Which ball will reach the opposite end first?

Which ball will reach the opposite end first? [Hint: There are more than one possible approach. How many can you come up with?] How can we approach the question? Concepts that are applicable to the scenario: Conservation of energy (e.g. kinetic energy; gravitational...

## O-Level Geography: Growth of global tourism

“Demand factor is the most important factor leading to the growth of global tourism.” How far do you agree with the statement? Support your answer using relevant examples.   How can we approach the question? First, we need to understand that the command...