数学 高校生 2年以上前 この問題の解き方を教えて欲しいです。線速度と角速度に関するものです。 Daviu L activ 4. Lawn Mower Blade Problem In order for a lawn mower blade (Figure 4-4f) to cut grass, it must strike the grass with a speed of at least 900 in/s. If the innermost part of the cutting edge is 6 in. from the center of the blade, how many radians per second must the blade turn? How many revolutions per minute is this? b. The blade has a diameter of 19 in. If the out- ermost tip of the blade hits a rock while turn- ing as in part (a), how fast could the rock be hurled from the mower? T6" 4 19" 6. 回答募集中 回答数: 0
数学 高校生 3年以上前 どうやったら答えが出るのか詳しい解説を知りたいです。 答H=h+ 2g 2 67 +4=H 00 H6u +0= y6u +2au 20 T 2) 力学的エネルギー保存の法則より 回答募集中 回答数: 0
数学 高校生 3年以上前 線形計画法の問題なんですけど、この際x軸上の点とy軸上の点はどのように出せば良いのですか? 34206 x+y?ハ9, x20 のとき, 一x+yの最大値と最小値を求めよ。 0S x, yが4つの不等式 2.x+y<6, x+2y<6, x>0, y>0を同時に満たすと 205 0歳ふ中 (510 き,2x+3y の最大値,最小値を求めよ。 S00 x+y?ハ9, x20のとき、一x+yの最大値と最小値を求めよ。 9 回答募集中 回答数: 0
数学 高校生 4年以上前 10と11の答えを至急お願いします😭 9. Arecent earthquakce measured 6.8 on the Richter scale- How many mmes mnore intense was this earthquake than an earthquake thatmeasured 生3.on the Richter Scale? と BS /タ はを 1 / イン 2 c (3 7の クンァ 10.Find the concentration of hydrogen ions, [HH], for vinegar wiFh ap持=3.L 3 ッイ 2 ブ 6 ア MA! = 0 .ら5 11.Soft-recorded music is about 4000 tmes the minimmum intensity of sound detectable by the human ear. Find the joudness in deabels. スクの 12J Eariy in the centry an earthguake measured 8.0 on the Richter scale. In the same year, another earthquake Was recorded that measured six me SCoRger on the Richter scale- What was the magnitude of the earthquake Of the sronger 回答募集中 回答数: 0
数学 高校生 4年以上前 10と11の答えを至急お願いします😭 9. Arecent earthquakce measured 6.8 on the Richter scale- How many mmes mnore intense was this earthquake than an earthquake thatmeasured 生3.on the Richter Scale? と BS /タ はを 1 / イン 2 c (3 7の クンァ 10.Find the concentration of hydrogen ions, [HH], for vinegar wiFh ap持=3.L 3 ッイ 2 ブ 6 ア MA! = 0 .ら5 11.Soft-recorded music is about 4000 tmes the minimmum intensity of sound detectable by the human ear. Find the joudness in deabels. スクの 12J Eariy in the centry an earthguake measured 8.0 on the Richter scale. In the same year, another earthquake Was recorded that measured six me SCoRger on the Richter scale- What was the magnitude of the earthquake Of the sronger 回答募集中 回答数: 0
数学 高校生 5年弱前 The bond between humans and dogs can feel very strong and deep, and it may also be much older than we once thought it was. SとOで比較関係を表すこと... 続きを読む 回答募集中 回答数: 0