An object is thrown vertically upwards and rises to a height of 20m. Calculate (i) the velocity with which the object was thrown upwards, (ii) the time taken by the object to reach the highest point. (take g= 10 m/s2)
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Explanation:
The number of periods or cycles per second is called frequency. The SI unit for frequency is the hertz (Hz). One hertz is the same as one cycle per second
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