The athlete can improve performance by building strength, coordination and balance.
<h3>Who is an Athlete?</h3>
This is an individual who is proficient in sports and other forms of physical exercise.
Improvement of performance based on the kinematic variable of speed and acceleration can be achieved by building strength, coordination and balance by performing plyometric exercises etc.
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Answer:
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Since we are dividing a second in 2, we can simply divide the amount of meters by 2.
1500/2=750
It travels 750 meters in half a second.
Hope this helps!
If all the mechanical energy is converted into heat that stays in the water. 0.21˚C rise in temperature occurs in a 90.0 m waterfall.
The total kinetic and potential energy is known as mechanical energy. According to the principle of mechanical energy conservation, mechanical energy is constant in an isolated system when only conservative forces are acting on it.
The mechanical energy of water is converted into heat energy.
P.E = mgh = m x 9.8 x 90.0
P.E = 882 m.
Let rise in temperature θ
Heat energy = mass × specific heat × temperature change
Heat energy = m x s x θ
specific heat = 4186 J/(Kg *˚C)
m x s x θ = 882 m
m x 4186 x θ = 882 m
θ = 0.21˚C.
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