A baseball is tossed by a lone astronaut floating in outer space. If the ball moves away at 20 m/s, the speed of the astronaut in the opposite direction is
A. more than 20 m/s.
B. 20 m/s.
C. less than 20 m/s.
D. more information needed
Answer: C
You might also like to view...
Roughly half of New Zealand's exports go to
A) China, Japan and the United States
B) China, Australia and the European Union
C) Indonesia, the European Union and the United States
D) China, Japan and Indonesia
E) Australia, Indonesia and Japan
Using the data given in Table 8.2, plot the temperatures for these three cities and portray with a smooth curved line graph on the temperature graph in Figure 8.3. Calculate the average annual temperature and temperature range for each city.
Trondheim, Norway
Avg. Annual Temperature (°C, °F): __________________
Annual Temp. Range (C°, F°): __________________
Ukhta, Russia
Avg. Annual Temperature (°C, °F): __________________
Annual Temp. Range (C°, F°): __________________
Left Trondheim, Norway, Right Ukhta, Russia
Which of the following statements is true?
A. Meridians are points for measuring location in the E-W direction, and parallels are points for measuring location in the N-S direction. B. Meridians are lines for measuring location in the N-S direction, and parallels are lines for measuring location in the E-W direction. C. Meridians are points for measuring location in the N-S direction, and parallels are points for measuring location in the E-W direction. D. Meridians are lines for measuring location in the E-W direction, and parallels are lines for measuring location in the N-S direction.
Which of the following is not a factor in determining the amount of water vapor at one specific point in the atmosphere?
A) local evaporation B) horizontal transport of moisture C) aerosol concentration D) vertical transport of moisture