A block of Aluminum weighing 140g is cooled from 98.4°C to 62.2°C with the release of 1080 Joules of heat. From this data, calculate the specific heat of aluminum.

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

When does your body conduct current more readily?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve