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CBSE Class 9 Answered

State the energy transformation in the following: 1. Heat engine. 2. Electric motor. Show that the energy of a vibrating pendulum is conserved.
Asked by Sthitaprajna Mishra | 17 Feb, 2014, 08:48: PM
answered-by-expert Expert Answer
1.
(1)  Heat engine converts thermal energy into mechanical energy.

(2) An electric motor converts electrical energy into mechanical energy.

2. Kindly ask the other question as a  seperate query.

Answered by | 18 Feb, 2014, 11:30: AM

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