a fan uses 150j of mechanical energy, 20j of heat and 75j of sound energy

a) what is the total input energy
b) what is the total useful output energy
c)what is the total wasted energy
d) what is the energy efficiency
e) what percent of the energy was wasted

Ask a New Question or answer this question.

Similar Questions

Which option is the main form of energy involved in photosynthesis?(1 point)Responses mechanical energy mechanical energy sound
1. 1 answer
Define each with a small sentence: o Energyo Mechanical Energy o Thermal Energy o Chemical Energy o Electrical Energy o Sound
1. 1 answer
a woman run. What main energy conversion occurs?Thermal energy changes into mechanical energy because heat provides energy for
1. 3 answers
how should each form of energy be identified?A) energy A:gravitational energy /energy B:chemical energy B) energy A: nuclear
1. 4 answers