A hiker wanted to hike to a lake 26 km from the end of the road. She started at 6 a. m. and walked steadily until 9:00 a. m. She stopped for a 1-hour rest and then continued until she stopped for 1.5 h to have lunch. She took only one 0.5 h rest in the afternoon and arrived at the lake at 7:00 p. m. a. What was the hiker’s average speed from the end of the road to the lake?

b. What was the hiker’s average speed during the time she was actually hiking?

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.