A bullet of mass m traveling at velocity v strikes a lock of mass 2m that is attached to a rod of length R.The bellet collides with the block at a right angle and gets stuck in the block.The rod is free to rotate.What is the centripetal acceleration

A bullet of mass m traveling at velocity v strikes a lock of mass 2m that is attached to a rod of length R.The bellet collides with the block at a right angle and gets stuck in the block.The rod is free to rotate.What is the centripetal acceleration A highly volatile substance initially has a mass of 1200g and its mass is reduced by 12% each second.Q1.Write a formula that gives the mass of the substance(m) at time(t) seconds.Q2.Rearrange this formula to make t the subject.Q3.What mass remains af the mass of 与 a mass of 有啥区别? mass的用法the mass of 和 a mass of 有什么区别？ a mass of =masses of吗? a massless spring is compressed between two blocks,one of mass M and the other of mass 5M,on a frictionless horizontal table.If this system is released from rest the potential energy in the spring is converted into kinetic energy of the blocks such t a mass of 的近义词和词性 a mass of是什么意思及用法 The mass of the Great Pyramid is 557t greater than that of the Leaning Tower of Pise.Stone Hengehas a mass of 2695t which is 95t less than the Leaning Tower of Pisa.There once was a Greater Pyramid.What was the mass of the Greater Pyramid? 一道物理英文题The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v = (–5.00 × 107)t2 + (3.00 × 105)t,where v is in meters per second and t is in seconds.The acceleration of the bullet just as it l bullet a mass 请各位帮忙解一下这道英文物理题A 9 g bullet is fired into a 257 g block thatis initially at rest at the edge of a frictionlesstable of height 1.8 m. The bullet remains inthe block, and after impact the block lands2.3 m from the bo The elements of a compound occur in a fixed mass ratio.请问fixed mass ratio I don't want a fuss or to put a bullet in you face a mass of 怎么用还有masses of 一道关于机械波的物理题A rope is stretched with a tension of 234 N.The rope is of length 10.6 m with a mass of 146 g.Two pulses are formed at opposite ends of the rope,separated in time by 40.0 ms.Determine how far from the farther end of t 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