E×H=w×100
10×250000=W×100
W=25000
W=mgh
25000=1×10×h
h = 2500m
On 20 Jul 2016 18:09, "rekha uday" <[email protected]> wrote:

> 10=w/250000                     ,
> W=2500000j
> W=mgh
> ,2500000=1×10×h
> h=250000m
> h=
> On 20 Jul 2016 10:53, "LAKKAPPA M PUJAR" <[email protected]> wrote:
>
>> The efficiency of heat engine is 10.if the heat energy consumed by the
>> engine is 250KJ how high would this engine lift an object of mass 1Kg from
>> the ground?  (assume that g=10m/s2 remember :w=mgh)
>>
>> Lakkappa M Pujar
>>
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-- 
1. If a teacher wants to join STF, visit 
http://karnatakaeducation.org.in/KOER/en/index.php/Become_a_STF_groups_member
2. For STF training, visit KOER - 
http://karnatakaeducation.org.in/KOER/en/index.php
4. For Ubuntu 14.04 installation,    visit 
http://karnatakaeducation.org.in/KOER/en/index.php/Kalpavriksha 
4. For doubts on Ubuntu, public software, visit 
http://karnatakaeducation.org.in/KOER/en/index.php/Frequently_Asked_Questions
5. Are you using pirated software? Use Sarvajanika Tantramsha, see 
http://karnatakaeducation.org.in/KOER/en/index.php/Why_public_software 
ಸಾರ್ವಜನಿಕ  ಇಲಾಖೆಗೆ  ಸಾರ್ವಜನಿಕ  ತಂತ್ರಾಂಶ
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