题目
You throw a ball straight up in the air.The instant after leaving your hand the ball’s speed is 3
You throw a ball straight up in the air.The instant after leaving your hand the ball’s speed is 30 m/s.Ignoring the effects of air resistance,predict how fast the ball is traveling 2 seconds later?Where is it at this time?
You throw a ball straight up in the air.The instant after leaving your hand the ball’s speed is 30 m/s.Ignoring the effects of air resistance,predict how fast the ball is traveling 2 seconds later?Where is it at this time?
提问时间:2020-11-03
答案
First,according to
S=V0*t-1/2gt*2 (1)
Ten take the data to (1)
You can access to the answer easily,
S=40 meters
Are you satisfied with this answer?
S=V0*t-1/2gt*2 (1)
Ten take the data to (1)
You can access to the answer easily,
S=40 meters
Are you satisfied with this answer?
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
- 1已知直线y=-2x+a与两坐标轴围成的三角形的面积是1,求常数a
- 2高倍镜下观察到的动物脊髓神经细胞与植物表皮细胞各有什么特点
- 3英语翻译
- 4China ___ the WTO in 2010.A.join B.joins C.joined D.joining
- 5若方程组3x+y=1+3ax+3y=1-a的解满足x+y=4,求a的值.
- 6如图中,能通过三个小孔看到烛光的条件是_.
- 7二次函数难题哦,
- 8数学高手进--平面向量的有关问题
- 9已知(a+b)2+|2b-1|=0,则 6ab-2ab-3(ab-1)=_.
- 10一辆轿车从甲地开往乙地需6小时,一辆客车从乙地开往甲地需9小时,两车同时从两地相对开出,相遇时客车行了144千米,轿车行了多少千米?
热门考点