<span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;">Aa cylindrical buoy has a length of 162 cm and a radius of 64 cm and is made out of a material that has a density of 445 kg/m</span><sup style="color:#353535;font-family:verdana, sans-serif;line-height:normal;background-color:#fafafa;">3</sup><span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;">. How much downward force in Newtons is required to keep this buoy completely submerged in salt water (density = 1027 kg/m</span><sup style="color:#353535;font-family:verdana, sans-serif;line-height:normal;background-color:#fafafa;">3</sup><span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;">)</span> <div><span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;"><br></span></div> <div><font color="#353535" face="verdana, sans-serif"><span style="font-size:11px;line-height:normal;background-color:#fafafa;">원통형의 부표는(길이: 1.62m 반지름: 0.64m) 445</span></font><span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;">kg/m</span><sup style="color:#353535;font-family:verdana, sans-serif;line-height:normal;background-color:#fafafa;">3</sup><span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;">밀도의 물질로 만들어졌다. 이 부표를 소금물안에 계속 침수시키려면 어느정도의 힘(아래방향)을 가해야 하는가?(소금물 밀도= </span><span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;">1027 kg/m</span><sup style="color:#353535;font-family:verdana, sans-serif;line-height:normal;background-color:#fafafa;">3)</sup></div> <div><br></div> <div><br></div> <div><span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;">지금 아예 이거 기초만 들어가서 문제를 어떤식으로 접근해야 할지 모르겠네요</span></div> <div><span style="color:#353535;font-family:verdana, sans-serif;font-size:11px;line-height:normal;background-color:#fafafa;"><br></span></div> <div><font color="#353535" face="verdana, sans-serif"><span style="font-size:11px;line-height:normal;background-color:#fafafa;">P=밀도</span></font></div> <div><font color="#353535" face="verdana, sans-serif"><span style="font-size:11px;line-height:normal;background-color:#fafafa;">V=부피</span></font></div> <div><font color="#353535" face="verdana, sans-serif"><span style="font-size:11px;line-height:normal;background-color:#fafafa;">g=중력</span></font></div> <div><font color="#353535" face="verdana, sans-serif"><span style="font-size:11px;line-height:normal;background-color:#fafafa;">a=가속도</span></font></div> <div>로 식 만들어서 하는데</div> <div><br></div> <div>안되네요... 힌트좀 주세요 ㅠㅠ 풀이과정 꼭 부탁드립니다..</div> <div><br></div>
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