amount of heat is removed to lower the temperature of 80 grams of water from 75ºC to 45ºC with specific heat of liquid water is 4.18 J/gºC
= 4.18 J/gºC * 80g * (75-45)ºC
= 10032J
Answer:
the current will improve in performance and tell me if im correct
'B' is the correct choice.
BUT ... the angle of incidence is not the angle between the light ray
and the mirror. It's the angle between the light ray and the NORMAL
to the mirror. The 'normal' is the line that's perpendicular to the mirror.
