(1-m)(600+10m)+(2-m)(400+10m)

某跳水运动员从10m高台上跳下,他的高度h&m与所用时间t&s的关系式为h=-5(t-2)(t+1).你能帮助该运动员计算一下他跳起后多长时间达到最大高度吗?最大高度是多少米?【考点】.【分析】根据题目中列出的函数关系式,利用配方法求出函数的最大值即可.【解答】解:h=-5(t-2)(t+1)=-5(t2-t-2)=-5(t-)2+11.25,∵-5<0,∴函数图象开口向下,则当t=时,h取最大值11.25,答:该运动员跳起后s达到最大高度,最大高度是11.25米.【点评】本题考查了二次函数的应用,解答本题的关键是运用配方法求函数的最大值,比较简单.声明:本试题解析著作权属菁优网所有,未经书面同意,不得复制发布。答题:caicl老师 难度:0.50真题:1组卷:1
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0-14PHMTS备件EPMVOP+F接近开关型号:CJ10-30GM-A2-V1MTS传感器RHMG1100MTS传感器RHMG1100NESSTECH温度开关TUS-2S-ME-SBIELOMATIK分油器TYP:VF& Best-Nr:& Fabr-Nr:& VR 3X10& MAX:250BARHYDAC开关EDS344-2-400-000LEBER软启动器PSTx-250-P-NU-LU-SD,HEIDENHAINLC483-720ID:MAIER旋转接头HR250KMTS传感器RH-M-0450M-P20-1-S2B6100HYDAC蓄能器SB330-50A1/112A9-330AMTS传感器RHM2HYDAC压力变送器HDA3745-A-160-174CROMPTON电压继电器252-PVXW;220/380VAC;24VDCINPUT:220AB软起150-F317NBDBMTS传感器RHMG6100CROUZET阀OMEGA备件UPJ-K-FHYDAC皮囊32L*7/8-14UNF/VG5NBR20/P460PHOENIX插拔式桥接件3030336MAHLE滤芯PI 37100 DN DRG 60MTS传感器RHMB8100HYDAC滤芯HCEMG伺服阀SV1-10/8/315/6label-aireREWIND CONTROL CARD31214COAXVALVE546130MAGNEMAG模块OPC 4-1MTS传感器RPSHYDAC开关ZBE01BEI IDEACOD编码器GHU930- GHU9_30//5G59//01024// G3R020& LOT S/N: /1& ALIM 11-30VHUBNER编码器HOG10DN 1024I+FSL& MTS位移传感器RHMB6105KENDRION阀TYPE:EMB24DC& GU80E/21 V:24VFAG普通轴承S6301 2RSR W203BEVG5针位移传感器接头RKWTH-5-298/20M***气缸HP06-8JA-5HYDAC传感器HDA3840-A-350-124 (15米)HYDAC滤芯BN4HC/-VBEFELD电解整流装置DTWGP380-36-8500EMG传感器LS14.01NORGRENKIP INC 电磁阀U1LEINE+LINDE传感器MTS传感器RHMFLOWMON流量开关FML-40-AL-LP-3EE-320CS-12-S1-DHYDAC备件ZBE310KNOLL离心泵TG 40-52/22 285BENDER备件IR125Y-4MTS传感器RHMB6100FFT EDAG连接块ST-09-01-15-01 1234130BENDER绝缘监视器IRDH275-435HYDAC滤芯HC 滤芯FAG轴承HSS7010-E-T-P4S-ULERHARD流量开关89522 werk-nr DN25 PN16HYDAC接头ZBM300HUBNER脉冲发生器FGH40KK-1024G-90G-NG/20PBERG螺旋碟簧963..GR.48HEIDENHAIN备件LEUZE接收器PART NO:HYDAC传感器ETS-000BERU电极丝Typ O4/1&& Referenz PARKER变送器SCLTSD-370-00-07BENDER备件EDS3090PGPARKER备件LQX12-2W24FFS-000HYDAC滤芯W/HC-KBHYDAC滤芯HCKLASCHKA备件16.27-01 PE-Test AIN1/410ca-1.60-115/230VACNORGREN电磁阀SXE/13JBIFOLD球阀NV 01 S06 F02 M5V 96KE+H投入液位计FMX167-A2ABE1B3电缆10mEMG伺服阀SV1-10/32/100/6FIRESTONE备件WPARKER仪表管接头6FSC8N-316 部件号“GFC8B3HYDAC压力继电器EDS0-000KELVIPLAST热交换器A-ST16-23-TKTL44-LIQUIDEMG薄膜键盘ECU01.5BENDER备件IRDH275BM-727HYDAC温度传感器ETS328-5-100-000LUTZE通讯电缆113402HYDAC压力开关EDS345-1-016-000MAYSER地垫FA-NR:162597NOVOTECHNIK电阻尺LWH-0425HYDAC安全继电器EDS0-000CROUZET单脉冲发生器P+F光电传感器ML4-8-KSU-2324FRER表计A96M 20MA ZU POS.6(DC AMMETER)(=FRER A96MMAXXXX20) NUMBERING1:0...750/%FS)& NUMBERING2:0...A(150%FS)&& NUMBERING3:0...A(150%FS)GRECON编码器转轮ID:557254FRIZLEN电阻箱FASQ3111004 DN100& 5kW& 8.2HYDAC电磁阀310WSM06020W-01m-c-N-24DGEMG感式控制卡Type: SMI2.11.2HILSCHERDP网卡CIF50-PBMTS传感器RHMG8100LEINE+LINDE编码器865-4&& 9~30VHYDAC滤芯Filter 0400 DN 006 BN4HCNPM电机PF35...48CMTS传感器RHMMTS传感器RHMB6105HYDAC开关VL2GW.0/-V-113HYDROSAAR液压缸0×350mmHYDAC传感器ETSFLUID TEAM放大器VB-3AFRAKO电容器LKT 12.5-440-DB K18-0515HYDAC配件ZBM20HIRSCHMANN模件SPIDER II& 8x10/100BASE-TXE+H温度传感器TR24-AA2BH430E0 ML=235MMCEWE电流变送器DI02 输入0-5A 输出4-20MANUMTEC备件DCC080/FACOM链条钳137A.6PSRP+F编码器PVM58N-011AGROBN-1213MTS传感器RHMGHS5201(带3米插头)ENERPAC备件STLS-92BENDER计器用比流器STW2FRAKO谐波滤波对抗器1240618 FKD7.5-400-P7(7.5kVAR400V& 7.5kVAR& 189HZ& IP00)MTSMTS板MK292-1001EMG阀SV1-10/16/315/6KYTOLA流量计SR-30- pulses/l 09JSBINKS泵104009MTS传感器RPM2BLICKLE备件BH-SE-160KHYDAC传感器EDS344-3-250-000EMG电感式检测探头SMI-HE/500/0CEMA按钮P9XPNLGFIVE NORTH AMERICAN备件H6600-SS-01/02NORIS模组RH51HYDAC蓄能器油阀SB-330-H-32-A1MTS传感器RHSB6100 传感器HYDAC插个ZBE02HYDAC热电阻TFP100 904696MTS传感器RHSG6100GESTRA止回阀RK41& PN40& 1-1/2HYDAC压力传感器插头ZBE06HYDAC压力继电器EDS348-5-016-000+ZBE08EUROTHERM温度控制器2604& HK-0709-FCGLEASON REEL电缆卷筒弹簧组件组件号KUHNKE线圈HYDAC阀KHB-16SR-1134&PN250barMTS传感器RHM2HYDAC滤芯HCMTS机电ERMHYDAC压力变送器HDA4745-A-060-000 PN.5693474HOEFT+WESSEL接收器HW 8612/F2& Order No.T
0454HYDAC传感器HDA4445-A-250-000LEONARD凸轮开关GSW-100-E-04-EGA-400.5FRITSCH茨筛网孔径45μm& 直径200mm& 高度50mm 订货号30.6600.03EMG电感接收器IMP500.02ECOAX阀5-VMK10NC BD24L 40B& 530772HYDACCODEREDS348-5-400-000HYDAC编码器ETS388-5-100-000HYDAC备件HDA4445-A-250-Y24(10m)P+F编码器RHI90N-OLAK1R61N-01024HEPCOROLLE/滚轮RLJ 54 EKEBA备件K2-200HYDAC滤芯HCHUBNER测速电机GT 9.06L/420K& 原序列号:MTS备件RHMB2100KOOLANT KOOLERS制冷单元HCV7500PR-L-MHYDAC滤芯BNPFEIFFER辅助极BN845 995-TMOOG比例阀D662-4010D02HABF6VSX2-AHYDAC传感器HDA 4744-A-016-000EMG伺服阀SV1-10/32/315/6伺服阀KUHNKE阀74.002HYDAC电子温度继电器ENS 0-000-KFIBRO支撑块HOHNER编码器3AK1-13HA-0001 S/N:NORELEM调整圈GREIFER备件RP-17 art-nr.FAULHABER电机38/2S 14:1 171678HERBST加热器& L=WEMG光栅LS14.01HYDAC传感器EDS346-1-016-000FESTO气缸ADVC-50-20-I-PPARKER备件H2PEM-165MOOG伺服阀D651E235DCROUZET定时器BENDER绝缘监测B IRDH275BU-635 D210 V1.4EMGBJSV1-10/30/315/6MTS位移传感器RHMB6105PARKER电磁换向阀D1VW020DNJWEATON备件NZM-XDMI-DPV1 270333FLUX冷却风扇CE-6036A/B 110V-220VBENDER绝缘监视仪107TD47E+H超声波物位计FMU43-APH2A2;量程:0-15m;&& 介质:酸、碱液体EMG备件BMI2-CP/500/E+L控制器控制器 DC1340MOORE协议转换模块HMC/HART/MB/24DC/[DIN]KELLER压力传感器PAA-21Y/10barFEIN备件ASM14-12& 711257HEPCO轴承PSJ34DEEMG电力液压推动器EB800-60II 电力液压推动器HEIDENHAIN编码器EMG伺服阀放大模组EVB03&& 伺服阀放大模组BENDER隔离变压器隔离变压器ES710-8KVAEMG传感器PLM500.001平行光传感器GS备件DA10-NA40/E10RKEYSTONE备件EPI2 Mod. 063 KPU063UVPAP12U4 S/N:001BESTA备件AE 01E 041 MOUNTING FLANGE 92MME+H电磁流量计E+H,50P25-EA0A1AA0AAAA,DN25,测量范围:0-100L/min,带配对安装法兰及紧固件ENDball valveZE 311067BENDER检测仪IR425-D4-1OTT拉爪95.600.033.2.6LEITECH备件M8*1.25 - 6HNSD电器件VRE-P062FACCKD进料气缸CMK2-00-40-65/ZGMC转角变送器KINAX 3W2/708-226D 0/220/3225NSD编码器VRE-P062SBCMTS传感器GHMBENDER欠压监视B932802 SUA143MOOG备件D661-2915ENUMATICS电磁阀051BB600M000061PFLITSCH备件pik k60/60sNORIS螺母121.06.180TR180*5MTS传感器RHMB2100EMG控制器EVK 2-CP/800.02/L 267 070HYDAC传感器HDA3840-A-400-124EMGEPC光源控制板LICHYDAC球阀KHM-32-F6-1114-06XHOHNER编码器bs167w/P+F钢制弹簧联轴器HEIDENHAINENCODER557 680-03HUBNER编码器HOG9DN1250I SerNr:1526177KRAUS+NAIMEN开关CA10-1 A202-600 KN1A.1ERHARDO圈4EMTS传感器RHMG8100EMG行程传感器KLW360.012P+F编码器10-1Magnet-Schultz电磁铁GHUZ032M30A01BIMBA备件HSCQ-09HEIDENHAINENCODERERN8 ID:MAHR备件BFWA4-45-2/90 6852404P+F光电开关RLK39-54-Z/31/40aKRAUS NAIMER开关CH10/A320-600/KN1NORELEM备件HYDAC双筒过滤器FMND BN/HC 160LDE10D1.1/-L24KENNEDY杠杆开关式基座KEN-333-2240KHYDROPA压力开关DS-302/SCH/V2-100HYDAC压力开关EDS0-000FRER表计SONDERPOSITION (=FRER D96MMAXXXX20) DISPLAY:0-900A(=150%FS)EMG伺服阀SV1-10/32/315/6伺服阀HYDAC传感器HDA3840-A-400-124HEIDENHAIN编码器ROQ425 -58
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您感兴趣的其他供应为什么4M、6M、10M等宽带的下载速度不是相应的数值而是400k、600k、1.0+M等数值?
两者的单位不一样,所谓的4M,6M,10M宽带单位是b(位)每秒而下载速度的单位是B(字节)每秒 又8b=1B(八个位等于一个字节) 所以4Mb/秒=512KB/秒,6Mb/秒=768KB/秒,10Mb/秒=1.25MB/秒,而512KB/秒,768KB/秒,1.25MB/秒都是理论值,实际要考虑诸多因素会低一些也有可能会高一些。IH20M4B-PT01-1X/M01&R&IH20M4B-VP020D02-10/M01
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