The reason g is smaller at high altitudes(高度) than at low is because a body weighs less at high altitudes and therefore accelerates(加速) more slowly in free fall.
举一反三
- Which of the following management methods cares more about people, yet less about the production (task)? A: High relationship, low task. B: High relationship, high task. C: Low relationship, low task. D: Low relationship, high task.
- Pressurization problems are so hazardous that pilots should make an immediate descent to altitudes less than 1400 meters.
- I have........(less free time now than, so less free time now as) I had when I was in high school.
- Water attains the boiling temperature quicker in the high elevations than at the low level. Because: A: . the air pressure is lower at high elevations B: . the gravitational force is low in the mountains C: . the sunlight is high in the higher elevations D: . All of them
- When prices are low people will buy more, and when prices are high they will buy ________. A: more B: higher C: less D: lower