Math, asked by souravgoswami365, 11 months ago

दो शहरों के बीच की दूरी 425 किमी० है । दो कारें दोनों शहरों से एक साथ चलती है एक कार की चाल दूसरी कार की चाल से 5 किमी / घण्टा अधिक है । यदि दोनों कारों के बीच की दूरी 3 घण्टे बाद 20 किमी० हो तो दोनों कारों की चाल ज्ञात कीजिए ।​

Answers

Answered by amanaafrsafg
3

Answer:

An electromagnet is a magnet that runs on electricity. Unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric current that flows through it. ... An electromagnet works because an electric current produces a magnetic field.

Answered by syogesh1277gimalc
0

Step-by-step explanation:

first car is 65and second car is 70

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