Question 9 A ball is thrown into the air and it moves in the path shown below. Ignore air resistance in this question.A BAt position A the ball is at the highest point in its path, position B is just before it hits the groun d. Which of the following statements is true? a a. ...
. A ball is thrown into the air from the edge of a 48-foot high ciff so that it eventually lands onthe ground. The graph below shows the height, y, of the bal from the ground after x seconds.For which interval is the ball's height always decreasing?19217616014412812的012356 相关知识...
26 A small ball is thrown into the air from a point that is I m above horizontal ground.The ball moves vertically upwards so that at time t seconds after the ball was thrown, the height, h metres, of the ball above the ground is given by h=1+kt-5t^2 where k is a constant....
Round to one decimal place.meters A ball is thrown into the air and its position is given by h(t)=-6.5t2+21t+2 wherehis the height of the ball in meterstseconds after it has been thrown. I. After how many seconds does th...
A ball is thrown straight up into the air and ,after being in the air for 9 seconds,is caught by a person 5 meters above the ground.To what maxium height did the ball go 答案 用动力学公式计算:设单程(上位移)为 X 米,已知 Vf (velocity final) 末数为 0 (在最高点),加速(重力加速...
. [-/1 Points]DETAILS SCALCET8 2.7.013.MI.If a ball is thrown into the air with a velocity of 38 ft/s, its height (in feet) after t seconds is qiven by y=38t-16t^2 . Find the velocity when t=1.ft/s Need Help? Readlt Watch it Master It Talk to a Tutor[5/5 Points...
解析 Solution:Let h be 50m-4.9t²+38t+1.75=504.9t²-38t+48.25=0t₁= 1.60st₂= 6.16sTime duration Δt = 6.16-1.60 = 4.56 (s)Ans:The length of time is 4.56 seconds.结果一 题目 Quadratic Functions Word Problem数学,函数,方程 A ball is thrown up into the air. Its height h,...
A ball is thrown eastward into the air from the origin (in the direction of the positive x-axis). The initial velocity is 50 i+80 k , with speed measured in feet per second. The spin of the ball results in a southward acceleration of 4 ft/s...
百度试题 结果1 题目in this game a ball was thrown into the air between two teams of players翻译 相关知识点: 试题来源: 解析 这个游戏中,一个球会被两队里的人抛到空中.反馈 收藏
Answer to: A ball is thrown in the air. Its height, h m, at any time t seconds is given by: h = 5t (4 - t) What is the maximum height reached by...