百度试题 结果1 题目9. This new research can serve as a model of how to measure the speed of a car(accurate). 相关知识点: 试题来源: 解析 9. accurately 反馈 收藏
Average speed is a crucial factor to learn the time it takes to complete a journey. Average speed is essentially a mechanism that helps us calculate the rate of travel time and distance. It is evident that the speed keeps on changing in the journey, making finding the average speed more im...
【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 答案 【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15分钟行驶了多远?【解析】...
If a car travel at an average speed of 80 km per hr for 20 min, and then slowed down to an average speed of 50 km per hr over the next 15 min. How far would it travel in total? A car has an average speed of 80.0 km/h for 1 hour, then an average speed...
数学问题 请教第一题 Average speed of Car 1 = 55 mph. Average speed of Car 2 = 70 mph. Time elapsed between start of Car 1 and start of Car 2 = 4 minutes. How long before Car 2 overtakes Car 1? 0.150.241.1 hour. 第2题: Two cars leave Phoenix and travel along roads 90 degrees...
Answer: The average speed of the train is 92.86 miles/hour.Example 3: A car travels at a speed of 45 km/hr for 5 hours and then decides to slow down to 40 km/hr for the next 2 hours. Calculate the average speed using the average speed formula....
Suppose someone drives a car from one city to another and you are asked to calculate the average speed, in miles per hour, that the car traveled. The information you are given can influence how you approach the problem. As long as you can determine the t
If the speed of a car is 60 kilometers per hour, how long will it take to travel 300 kilometers? A. 5 hours B. 6 hours C. 4 hours D. 3 hours 相关知识点: 试题来源: 解析 A。这是地理与物理中速度公式的应用。时间 = 路程÷速度,300÷60 = 5 小时。
相关知识点: 试题来源: 解析 C。解析:时间等于路程除以速度,200÷50 = 4 小时。A 选项路程计算错误。B 选项路程计算错误。D 选项路程计算错误。本题考查行程问题,英语阅读技巧是理解关键词 constant speed、kilometers per hour 的含义。反馈 收藏
The first step would be to calculate the average acceleration of the car using the given information. Once you have the acceleration, you can use the equation P = F x v, where P is power, F is force, and v is velocity, to calculate the average power developed by the ...