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A scalloped hammer head shark swims at a steady speed of 1.45 m/s with its 71 cm wide head perpendicular to the earths micoT magnetic field . What is the magnitude of the emf induced between the two sides of the shark's head?
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A rock takes 2.1 s to hit ground when it is thrown straigh up from a cliff with initial velocity of 7.5 m/s. Calculate height of the cliff in m & length it would take to reach the ground if thrown down with same speed.
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