5. What is the heat energy generated/emitted by the metal when a 250 kg lump of iron cools from
650° C to 20°C? Specific heat of iron is 449
J/kg
1,459,250,000 J

70,717,500 )
112,250 J
-70,717,500 J

*drag each tile to the correct location in the sequence* the table shows chronological events in the life of our sun, a medium-sized star. place the missing events into the correct rows of the table.

Is the time in tennessee the same as florida

If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s