百度试题 结果1 题目 (2) A car travels at an average of 70 kilometres per hour. It will travel( 175 ) kilometres in 2.5 hours and ( 70t ) kilometres in t hours. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
One long-distance flight consumes fuel which a car uses in several years' time, but they cause the same amount of pollution. So, some people think that we should discourage non-essential flights, such as tourist travel, rather than limit the use of cars. To what extent do you agree or ...
百度试题 结果1 题目A car travels 100 km in 2 hours. What is its average speed? A. 50 km/h B. 100 km/h C. 200 km/h D. 50 m/h 相关知识点: 试题来源: 解析 A 反馈 收藏
And to improve your car mileage, you can apply some tips below: Reduce vehicle weight: Remove useless items from the vehicle and avoid carrying unnecessarily heavy items to reduce weight and increase performance. Change driving habits: Avoid reckless driving, always keep a safe distance, and use...
2. Lea's car travels an average of 30 miles per gallon of gas. If she spent $20.70 on gas for a 172.5 mile trip, what was the approximate cost of gas in dollars per Cgallon? A. $1.45 per gallon B. $3.40 per gallon C. $3.60 per gallon D. $5.75 per gallon 相关知识点: ...
解析 http://gallery.fbcontent.cn/latex?decode=false&latex=%24%24%5Cbegin%7Baligned%7D%20S%20%26amp%3B%3D%5Cfrac%7BD%7D%7BT%7D%3D%5Cfrac%7B100%7D%7B4%7D%20%5C%5C%20%26amp%3B%3D25%20%5Cmathrm%7Bmph%7D%20%5Cend%7Baligned%7D%24%24%25&fontSize=30 ...
【题目】3 A car travels at an average speed of 60 km/h for 15 minutes.How far does the car travel in 15 mirutes?A4.0kmB15kmC240kmD900km 相关知识点: 试题来源: 解析 【解析】【答案】B【核心短语/词汇】average speed:平均速度【翻译】一辆汽车以每小时60千米的平均速度行驶15分钟。这辆车1...
A car travels at an average speed of 35 mph. How long will the car take to cover a distance of 14.5 miles? A boy covered a complete cycle along a circular path of radius 35m in 22s. Find the average speed of the boy. More Examples on Average Speed ...
The time required for the car to travel from city P to city Q =90(16160)−21090−72 =1.75 hours. 该汽车由P城驶至Q城的所需时间 =90(16160)−21090−72 =1.75小时. Let ykm be the distance between city P and city Q. Then, the distance between city Q and city R is (210...
A car travels from a point A to B at a constant speed of 50 km / h On return journey along the same path it travel at a constant speed of 40 km / h Find its distance and average speed.