useful energy output of an

What is the efficient energy of a hair dryer with an electrical energy input of 500J, a kinetic energy output of 110J , a heat
1. 1 answer
2. 33 views
What is the basis for analyzing an energy transfer diagram?The mechanical energy input and output must be equal. Heat must
1. 1 answer
2. 19 views
A student uses a pulley to lift a log. Put the following steps in the correct order to show how they can calculate the pulley's
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2. asked by tim
3. 163 views
Which is the equation for a machine’s efficiency? (1 point)Efficiency = input energy − output energy Efficiency = ⋅ 100
1. 1 answer
2. 70 views
Energy Use Light Output35 2250 50 4000 70 5800 100 9500 150 16000 What is the quadratic model for the light output with respect
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2. asked by Ana
3. 358 views
for an assignment I'm writing, I'm trying to find the % efficiency of ethanol.We were given a chart that says ethanol's energy
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2. asked by a Canadian
3. 520 views
Efficiency of Machines Quick Check1 of 51 of 5 Items Question Which is the equation for a machine’s efficiency?(1 point)
1. 1 answer
2. 75 views
a fan uses 150j of mechanical energy, 20j of heat and 75j of sound energya) what is the total input energy b) what is the total
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2. asked by Anonymous
3. 1,118 views
Which is the equation for a machine’s efficiency?(1 point)Responses Efficiency=input energyoutput energy ⋅ 100
1. 1 answer
2. 79 views
1) Every second the Sun outputs 3.90* 10^26 Joules of energy. Power is energy output per unittime and is given in units of Watts
1. 10 answers
2. asked by Easha
3. 2,066 views