12 The atmospheric pressure is 100 kPa. What is the average force experienced at the bottom of the water tank with length 0.5 m, width 0.4 m and depth 0.6 m? (Density of water is 1000 kg/m3.) D A 720 N B1200 N C 12720 N D 21200 N 相关知识点: 试题来源: 解析 D 反馈 收...
In summary, average force is the measure of the overall force applied to an object over a period of time, calculated by dividing the total force by the duration of the period. It is important in scientific experiments as it helps to understand the impact and effect of a force on an ...
1.What average force is required to stop an 1100kg car in 8s if the car is traveling at 95km/h?2.A0.140kg baseball traveling 35.0m/s strikes the catcher's mitt,which,in bringing the ball to rest,recoils backward 11.0cm.What was theaverage force applied by the ball on the glove?3...
The question is to find the magnitude of the average force exerted on the ball by the wall in units of N. The attempt at a solution involves finding the impulse and using it to calculate the average force, but the initial attempt is incorrect due to adding and subtracting x...
andhumandevelopment.Thisisthedrivingforcebehind OutdoorClassroom Day—aglobal teacher-ledcampaign,supportedbyDirtisGood,acompanyproducingdailychemicalproducts. OutdoorClassroom Day,takingplaceon17th Mayand1stNovemberthisyear,willsee schoolsaroundtheworldswaptheinsidefortheoutsideandtakelearningintotheplaygroundand b...
What average force is required to stop an 1700 kg car in 7.0 s if the car is traveling at 75 kmh? Equation of Motion: A body with initial velocity u is moving in a direction with uniform acceleration a covers a distance s in some time t. Then the equ...
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The unemployment rate is the proportion of the labor force that is not employed but could be. The BLS reported an unemployment rate for October 2024 of 4.1%.3 U.S. unemployment data is released on the first Friday of every month.
3. Jitsi is a completely free app because ___. A. it has surpassed 10 million monthly average users B. 8x8 uses the technology in its own products C. only paid apps can ensure users' privacy D. users have limited access to Jitsi 【答案】...