A water fall is 84m high. Assuming that half the kinetic energy of the falling water gets converted to heat,the rise in temperature of water is- 1) 0.098°c 2) 0.98°c 3) 9.8°c 4) 0.0098°c

Question

Arun · Answer

They want you to use
C= 4200 J/ kg*degC for the specific heat and
g = 10 m/s^2 for the acceleration of gravity
H = 84 m is the height
Energy conservation tells you that
C*(deltaT) = g*H
Solve for deltaT, in degrees C

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A water fall is 84m high. Assuming that half the kinetic energy of the falling water gets converted to heat,the rise in temperature of water is- 1) 0.098°c 2) 0.98°c 3) 9.8°c 4) 0.0098°c

A water fall is 84m high. Assuming that half the kinetic energy of the falling water gets converted to heat,the rise in temperature of water is-
1) 0.098°c
2) 0.98°c
3) 9.8°c
4) 0.0098°c

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A water fall is 84m high. Assuming that half the kinetic energy of the falling water gets converted to heat,the rise in temperature of water is- 1) 0.098°c 2) 0.98°c 3) 9.8°c 4) 0.0098°c

A water fall is 84m high. Assuming that half the kinetic energy of the falling water gets converted to heat,the rise in temperature of water is-1) 0.098°c2) 0.98°c3) 9.8°c4) 0.0098°c

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A water fall is 84m high. Assuming that half the kinetic energy of the falling water gets converted to heat,the rise in temperature of water is-
1) 0.098°c
2) 0.98°c
3) 9.8°c
4) 0.0098°c