tlr1020 tlr1020

17-10-2017
Chemistry

contestada

A pulley system operates with 40% efficiency. if the work put in is 200 joules, how much useful work is produced?

Respuesta :

miracleminecraf miracleminecraf

17-10-2017

80 because 200 / 10 = 20, 20 x 40 is 80 out of 200

Answer Link

Otras preguntas

Suppose that a large mixing tank initially holds 400 gallons of water in which 70 pounds of salt have been dissolved. Pure water is pumped into the tank at a ra

Define :1. Summil .2. Tableland .3. Tensional Forces . 4. Terraces.5. Vent.6. Volcanic. Help me please asap !!!

Whistleblowers: make an unauthorized discloser about a harmful situation or fraud. always gain the respect and admiration of their colleagues. are usually finan

Of 585 samples of seafood purchased from various kinds of food stores in different regions of a country and genetically compared to standard gene fragments that

A tuning fork is held over a resonance tube, and resonance occurs when the surface of the water is 12 cm below the top of the tube. Resonance occurs again when

Please answer this correctly

Given F1 = ∑ m(0,2,5,7,9) and F1 = ∑ m(2, 3,4,7,8) find the minterm expression for F1+F2. State a general rule for finding the expression for F1+F2 given the mi

Please answer this correctly

A: What are the solutions to the quadratic equation x2+9=0? B: What is the factored form of the quadratic expression x2+9? Select one answer for question A, and

I crouched and kept my head low. I tried to swallow whatever was rising in my stomach, which tasted like lemonade, something fruity and sour. I was terrified. W