Mass-Energy is constant. If you are working then you are doing it spending energy. If you have a working rate so u also have a energy spending rate, which is called the power. As footballers working rate is too high(running, kicking, jumping, tackling, defensing etc)their energy spending rate i.e, required power is also high. Hence to be a footballer you need high power.
Answer:
Your stomach acid helps you break down and digest your food. Sometimes, a higher than normal amount of stomach acid can be produced. This can lead to symptoms like abdominal pain, nausea, bloating, and heartburn.
Explanation:
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Everything which rotates in the direction of clock is taken as negative and opposite to clock is taken as positive. It is a sign convention.
Answer:
OptionC)
Explanation:
As muscle size increase gradually when we become adolsence and it increases in boys..
Explanation:
100Hz wave have longer wavelength and hence more speed
