Questions by Danyl Semmache

Questions by Danyl Semmache

An engine absorbs 2150 J as heat from a hot reservoir and gives off 750 J as heat to a cold reservoir during each cycle. What is the efficiency of the engine?

asked Oct 4, 2017

2 answers

3 votes

86.7k views

A mother shares a box of 20 chocolates in the same ratio as her children's ages . Calculate how many chocolates each child gets if Sibusiso is 2 years old , Dorris is 3 years old and Freddy is 5 years

asked Apr 2, 2017

1 answer

2 votes

133k views

Help me please !!!! :(

asked Jun 9, 2015

2 answers

0 votes

57.4k views

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