Mathematics, 04.12.2020 19:00 nsalhady1721

- Circle the letter of the sentence that explains why no machine is 100 percent efficient a. Electrical energy is converted to mechanical energy by fuel. b. Mechanical energy is converted to thermal energy by friction C. Thermal energy is converted to mechanical energy by friction. d. Mechanical energy is converted to electrical energy by a spark

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:40, helpme6191

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Answers: 1

continue

Mathematics, 22.06.2019 02:30, sariahieveryone

Ablue whale traveled 3112 miles in 214hours. what was the whale's rate in yards per hour? (1 mile = 1,760 yards)

Answers: 1

continue

Mathematics, 22.06.2019 04:00, eileentennyson

Select the term that describes the linear portion in this quadratic equation 7x^2-12x+16=0 a) -12x b) 7x^2 c) 16

Answers: 2

continue

Mathematics, 22.06.2019 04:10, wmaingrette1

3.(03.01)the domain of the following relation r {(6, -2), (1, 2), (-3, -4), (-3, 2)} is (1 point)o {-4, -2, 2)^{-3, -3, 1,6}{-4, -2, 2, 2){-3, 1, 6)4.(03.01)dulan created color nanele for a wall usinn a mix of only arepn and blue naints haplotted the quantidescription+

Answers: 3

continue

You know the right answer?

- Circle the letter of the sentence that explains why no machine is 100 percent efficient a. Electri...