Ametal object with mass of 23.6g is heated to 97.0°c and then transferred to an insulated container containing 88.4g of water at 20.5°c. the water temperature rises and the temperature of the metal object falls until they both reach the same final temperature of 24.0°c. what is the specific heat of this metal object? assume that all the heat lost by the metal object is absorbed by the water.

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Why does gravity have a lesser than grater effect on higher altitudes?

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?