Speed is the measure of how fast a person

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• It is very _____ for a person to know how fast a car is traveling.(横线填空）
• 对at the speed of提问,应用What's the speed of还是How fast ,区别是什么?
• 微积分数学题.求教A waterskier skis over the ramp shown in the figure at a speed of 12m/s. Base of the ramp is 5m,the altitude is 2m.How fast is the waterskier rising as she leavesthe ramp?
• 老师说题里的信息如果不全可以自己假设一个,比如速度不知道就可以假设这个人的速度是50.Anakin and Sebulba are pod-racing on the plante Tatooine.The race includes a sharp (90 degrees) left turn around a cliff that Anakin is approaching and Sebulla has already completed.Sebulba's speed is 500mph.Anakin's radar tells him that the distance between him and Sebulba is decreasing at a reat of 120mph.How fast is Anakin going when he is 8 miles due north of the intersection point ans Sebulba is 6 miles
• Speed is the measure of how fast a personSpeed is the measure of how fast a person can run翻译成汉语
• It is very difficult for a person to know how fast a car is traveling为什么是is travelling,原因!
• 7.— Did you wash your clothes? — No, I was going to wash my clothes but I visitors. A. have had B. have C. had D. will have8. The young man came riding full speed down the road on his bicycle, it was! A. How dangerous the scene B. What dangerous a scene C. How a dangerous scene D. What a dangerous scene9.— I'm going to take my driving test tomorrow. — ! A. Good luck B. Cheers C. Come on D. Congratulations10.— Look! She's skiing so fast!
• A street light is at the top of a 11 foot tall pole.A 6 foot tall woman walks away from the pole with a speed of 5 ft/sec along a straight path.How fast is the tip of her shadow moving when she is 30 feet from the base of the pole?The tip of the shadow is moving at ft/sec.
• 对at the speed of提问,应用What's the speed of还是How fast ,区别是什么?
• 7.— Did you wash your clothes? — No, I was going to wash my clothes but I visitors. A. have had B. have C. had D. will have8. The young man came riding full speed down the road on his bicycle, it was! A. How dangerous the scene B. What dangerous a scene C. How a dangerous scene D. What a dangerous scene9.— I'm going to take my driving test tomorrow. — ! A. Good luck B. Cheers C. Come on D. Congratulations10.— Look! She's skiing so fast!
• provide to 和 provide with 区别
• 根号x-3的有理化因式