A6.5-g iron meteor hits the earth at a speed of 295 m/s. if its kinetic energy is entirely converted to heat in the meteor, by how much will its temperature rise?

The temperature rise is 92°.

Explanation:

Given that,

Mass of iron = 6.5 g

Speed = 295 m/s

We know that,

specific heat of iron = 113 cal/Kg C°

1 cal = 4.186 J/kg C°

We need to calculate the temperature

Using formula of kinetic energy

...(I)

Formula of heat

....(II)

From equation (I) and (II)

Put the value into the relation

Hence, The temperature rise is 92°.

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