Question
Name the two quantities, the slope of whose graph gives (i) speed (ii) acceleration.
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A stone is dropped from the top of a tower 750 m high into a pond of water at the base of the tower. Calculate the number of seconds for the splash to be heard? (Given g = 10 m s–2 and speed of sound = 340 m s–1)
Find the mass of an object weighing 98 N