Gravitational potential energy=mass*gravitational acceleration*height
Kinetic energy = 0.5*mass*velocity²
So with the given data
K.E 0.5*1*x²=12.5 v²=12.5÷(0.5*1)
v=√12.5÷(0.5*1) v=5
GPE mass*gravitational acceleration*height
1*9.81*h=98
h=98÷(9.81*1)
h= 9.98 m
Answer: handle of pressure cooker is covered with thick plastic. ... Plastic is a bad conductor of heat. The pressure cooker is made of metal which can conduct heat. Thus, to protect us from burns, the handles of a pressure cooker is made of plastic
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Explanation:
To solve the problem it is necessary to apply the theory of sine waves. The wavelength λ of a sinusoidal waveform traveling at constant speed v is given by

Where,
v= velocity
f = frequency
Re-arrange to find v, we have

PART A ) Replacing with our values we have,


PART B) In the case of the period we know that it is defined as a function of frequency as,

That is to say that using the previously given values we have that the period in seconds is,

PART C) Finally the transverse wave velocity is given by,

Where,
T= Period
Linear mass density
Re-arrange to find 



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