A 0.425 kg sample of tin initially at 92.7 °C is dropped into 0.141 kg of water. The initial temperature of the water is 15.7 °C. If the specific heat capacity of tin is 230 J/kg°C, what is the final equilibrium temperature of the tin-water mixture?​

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a. m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?