In a room of constant temperature A=20°C, a container with cooling constant k=0.1 is poured 1gallon of boiling water at T=100°C at time t=0. Waiting till t=10, I add 5 gallons of icey water Tice=0°C to the container, rapidly (ignoring pouring time). Compute the water temperature at t=15.

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s