SAT2物理题,涉及弹簧An object of mass m is attached to a vertically mounted spring that has spring constant k.The object is displaced from its equilibrium position and allowed to oscillate.Assume that air resistance and friction are negligible.

SAT2物理题,涉及弹簧An object of mass m is attached to a vertically mounted spring that has spring constant k.The object is displaced from its equilibrium position and allowed to oscillate.Assume that air resistance and friction are negligible. Sat2 一道物理题 一道英文(sat2)物理题 关于sat2物理题When a gas undergoes an adiabatic compression itsA.temperature decreasesB.temperature increasesC.volume increasesD.pressure decreasesE.energy decreases为什么选B? SAT2 Sat2 一道SAT2的物理题 光学部分的.A convex lens whose focal length is 20cm has an object placed 10cm away from it.The image distance?答案是-20 请问怎么算的呢? SAT2物理题,涉及光Of thefollowing observable phenomena,which can be explained by using the wave model of light,but not the particle model?(C)A region receiving light from two small coherent sources can have points of zero intensity of light.(E)L 物理题什么时候弹簧压缩量最短?求解,谢谢 物理题什么时候弹簧压缩量最短?为什么? 求问一物理题弹簧测力计示数是6N, sat2 物理题TATAt the surface of the earth,an object of mass m has a weight w.if this object is transported to an altitude that’s twice the radius of the earth,then,at the new location,A.Its mass is m/2 and its weight is w/2 B.Its mass is m and i SAT2物理题An Olympic diver performs a 3.5 somersault.During his dive he uses the tuck position so that he will have(A)larger angular momentum(B)smaller angular momentum(C)larger rotation rate(D)smaller rotation rate(E)longer time in the air但我 SAT2物理题,貌似是有关理想气体的.直接原题了.A sample of an ideal gas is heated,doubling its absolute temperature.which of the fllowing statements best describs the result of heating the gas A.The root-mean-square speed of the gas mol 问一道SAT2物理题英文的A teacher measures and records her own mass to an accuracy of better than percent.Which of the following is most likely the mass that she recorded?A.6.43kgB.60kgC.64.3kgD.600kgE.643kg(C)COLLEGEBOARD 上的那个是2/1pe sat2 Barron 英文的物理题A 3-centimeter-tall candle is placed in front of a concave spherical mirror.An inverted image,half the size of the original,is observed on a screen.Where,relative to the mirror,must the candle have been placed?答案是b 几道SAT2物理题（英文）,1、In the Rotherford scattering experiments,the trajectory（轨道）of the alpha particles was in the shape of a(an):A.hyperbola（双曲线）B.parabola（抛物线）C.ciecleD.ellipse（椭圆）E.straight line 弹簧物理题一弹簧 左边受200N 右边受300N 问弹簧示数