subject
Mathematics, 03.06.2021 20:20 yani2568

7. The zombie apocalypse has just started and you are on your way down a back road when you come to a huge tree blocking your path. You find a pretty thick looking branch and use it as a lever to clear the road. You put in 188J of work on the branch and the branch in turn puts out 109J of work on the fallen tree. What is the efficiency of the make shift lever? What happened to the rest of the energy that was put in to the branch, why is it not 100% efficient?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3
Answers: 1
question
Mathematics, 21.06.2019 15:50
Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares
Answers: 1
question
Mathematics, 21.06.2019 20:00
Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t
Answers: 1
question
Mathematics, 21.06.2019 21:00
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
You know the right answer?
7. The zombie apocalypse has just started and you are on your way down a back road when you come to...
Questions
question
Business, 30.08.2020 22:01
question
Biology, 30.08.2020 22:01
question
Mathematics, 30.08.2020 22:01
question
World Languages, 30.08.2020 22:01
question
Mathematics, 30.08.2020 22:01