a stone of mass 20kg is thrown vertically upwards to attain a maximum height of 20m, calculate the initial speed with which the stone was thrown
Added by Funke O.
Step 1
The formula for kinetic energy is KE = 1/2 mv^2, where m is the mass and v is the velocity (or speed). The formula for potential energy is PE = mgh, where m is the mass, g is the acceleration due to gravity (approximately 9.8 m/s^2 on Earth), and h is the Show more…
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