3. From the figure, calculate the time required for the weightlifter to lift a 120. kg barbell up to a height of 1.50 m
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3. From the figure, calculate the time required for the weightlifter to lift a 120. kg barbell up to a height of 1.50 m
3. From the figure, calculate the time required for the weightlifter to lift a 120. kg barbell up to a height of 1.50 m (from the ground) if he delivers a power of 562.5 watts. PE= mgh PE = mgh h a) b)
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