Two students, Student 1 and Student 2 are on a bridge. They both throw identical rocks into the river below. Student 1 throws a rock straight up at 11.94 ms-1, whilst Student 2 throws an identical rock straight down at 11.94 ms-1.The rock thrown by Student 2 takes 2.24 seconds to reach the river below. Ignoring air resistance, what distance( in m ) does the rock thrown by Student 2 travel when it reaches the river below? Give your answer to 2 decimal places without units.数值题

题目图片

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

类似问题

The velocity of a car is given by [math: dxdt=3t2−6t+2]. The value of the displacement, x metres, in the first 5 seconds is:

Question textThe first section of this graph, from 0 to 3s, shows increasing Answer 1 Question 4[select: , displacement and velocity, displacement and acceleration, velocity and acceleration].The second section of this graph, from 3s to 10 s, shows zero Answer 2 Question 4[select: , displacement, velocity, acceleration] with increasing Answer 3 Question 4[select: , displacement, velocity, acceleration].

A ball is thrown downwards at 8.3 m s-1 from the top of a building. After 1.2 seconds accelerating at 9.81 m s-2, what is its speed? Give your answer to two decimal places.

Close to the moon the acceleration due to gravity is 1.6 m s-2. The first time that a meteor is detected it is falling directly toward the moon's surface at 93 m s-1. The next time it is detected it is falling at 151 m s-1. How much time had passed between the two times that the meteor was detected ? Give your answer to one decimal place.

更多留学生实用工具

加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！