The speed of a car is often measured in miles per hour. The abbreviation for miles per hour is ___. A. mph B. m/h C. mi/h D. mphr 相关知识点: 试题来源: 解析 A。本题考查速度单位英里每小时的缩写。mph 是 miles per hour 的常见缩写形式。反馈...
Tony biked one mile in 4 minutes and another mile 40% faster. What was his average speed, in miles per hour?A:12.5B:13C:17.5D:18E:22.2 相关知识点: 试题来源: 解析 C None 反馈 收藏
If Tom traveled 45 miles in 12 hours and Jim traveled four times as far in one-third the time, what was Jim’s average speed, in miles per hour (A) 5(B) 15(C) 30(D) 45(E) 90 相关知识点: 试题来源: 解析 D You are given that Tom traveled 45 miles in 12 hours and that...
If Jason traveled 30 miles in 6 hours and Becky traveled three times as far in half the time, what was Becky's average speed, in miles per hour A. 5B. 15C. 30D. 45E. 90 相关知识点: 试题来源: 解析 C You are given that Jason traveled 30 miles in 6 hours and that Becky trave...
【题目】T he speed in miles per hour at which a car t ravels is represented by u( t) = 60( 1-. ) where t i s the time in seconds assume the car never meeds to stop.Describe the domain and range of ( t) . n your reasonIng. ...
No matter how quickly you are breathing, your diaphragm moves at about an inch per second. That's a little more than .05 miles per hour. It may not seem like much, but give the diaphragm it's due credit: It helps your lungs pull in roughly two gallons of air p...
What is the speed of light in miles per hour?Question:What is the speed of light in miles per hour?Unit Conversion:In Physics, a quantity can have different units as long as they are dimensionally consistent (i.e. mathematically the same). For example, the SI unit for distance is the ...
The speed, in miles per hour, at which the car travels a distance of 52 feet during reaction time is closest to which of the following? A43 B47 C51 D55 E59 显示答案 登录后才可以添加做题笔记哦,还没有账号? 马上注册 KMF 解析 网友解析 题目数据 收起 暂无解析 以上解析由 考满分...
In planning for a trip, Joan estimated both the distance of the trip, in miles, and her average speed, in miles per hour. She accurately divided her estimated distance by her estimated average speed to obtain an estimate for the time, in hours, that the trip would take. Was her estimate...
The vehicle was traveling at speeds___90 miles per hour. A.in addition toB.in view ofC.in excess ofD.in search of 答案 C[解析] 句意:汽车正在以超过每小时90公里的速度前行。本题考查介词短语的辨析。in addition to 除……之外;in view of鉴于,由于;in excess of超过;in search of寻找。相...