1) Which of the energy converts above right:
a) changes CHEMICAL enegy into KINETIC energy?
b) changes ELECTRIAL energy into THERMAL energy?
c) changes CHEMICAL enegy into ELECTRIAL energy?
d) changes ELECTRIAL energy into SOUND energy?
2) A pole-vaulter has 3500J of energy when he crosses a bar 7 meters high. How much kinetic energy will he have just before he reaches the ground ( assuming no friction) ?
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c. is the ans
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Explanation:
c is the answer make me brilliant firstly okey ❤️❤️
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