A 65-G Iron Meteor Hits the Earth at a Speed of of

question 62

Multiple Choice

A 6.5-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 specific heat of iron is $113 \mathrm { cal } / \mathrm { kg } \text {. }$ $\mathrm { C } ^ { \circ }$ and 1 cal=4.186 J

• A) \(57,100 \mathrm { C } ^ { \circ }\)
• B) \(92.0 \mathrm { C } ^ { \circ }\)
• C) \(384 C ^ { \circ }\)
• D) \(0.147 \mathrm { C } ^ { \circ }\)