Aglass tea kettle containing 500 g of water is on the stove. the portion of the tea kettle that is in contact with the heating element has an area of 0.090 m2 and is 1.5 mm thick.

at a certain moment, the temperature of the water is 75°c, and it is rising at the rate of 3°c per minute.

what is the temperature of the outside surface of the bottom of the tea kettle?

neglect the heat capacity of the kettle, and assume that the inner surface of the kettle is at the same temperature as the water inside.

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?