4. Which activity would be BEST for prolonged training within your target heart rate zone?

Which statement below best describes the properties of solids? A. Solids have both definite shape and definite volume. B. Solids have definite volume but no definite shape. C. Solids have definite shape but no definite volume. D.

Which would not provide a useful measurement of temperature? the expansion of a liquid inside a closed tube the pressure of a gas inside a container of constant volume the electrical resistance of a conducting wire the change in the height of a

A slightly bruised apple will rot extensively in about 2.5 days at room temperature (25.0°C). If it is kept in the refrigerator at 0.5°C, the same extent of rotting takes about 17 days. What is the activation energy for the rotting reaction?

A bike first accelerates from 0.0m/s to 4.5m/s in 4.5 s, the continues at this constant speed for another 6.0 s. What is the total distance traveled by the bike?

The vapor pressures of pure carbon disulfide and carbon tetrachloride are 360 and 99.8 torr, respectively, at 296 K. What is the vapor pressure of a solution containing 50.0 g of each compound

A ___ is awarded to the opposing team when that team violently or dangerously charges a opponent. (in soccer) A) Goalie kick B) Indirect kick C) Direct kick D) Throw in

Which has greater potential energy, a book on the top shelf of a bookcase or a book on the bottom shelf? Why?

Fusion occurs with atoms of elements less massive than a. iron. b. helium. c. calcium. d. uranium.

Which describes what happens when fuel is ignited in a heat engine? A. Chemical energy is converted into thermal energy B. Thermal energy is converted into solar energy. C. Solar energy is converted into chemical energy D.

What happens during the intake and compression strokes of a four stroke engine?