物理SAT一道If value of an object is tripled,its kinetic energy is___ times its original value.value在这里指什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/27 18:01:44
物理SAT一道If value of an object is tripled,its kinetic energy is___ times its original value.value在这里指什么?

物理SAT一道If value of an object is tripled,its kinetic energy is___ times its original value.value在这里指什么?
物理SAT一道
If value of an object is tripled,its kinetic energy is___ times its original value.
value在这里指什么?

物理SAT一道If value of an object is tripled,its kinetic energy is___ times its original value.value在这里指什么?
光看这个还真看不出来,要联系上下文,value并没有单独指质量或速度的意思.
这道题的问题是,如果一个物体的某个值变成了原来的三倍,那么它的动能是原来的几倍?
根据E=1/2*m*v^2
如果value是速度的话,答案是9
如果value是质量的话,答案是3

值,比如x的值

物理SAT一道If value of an object is tripled,its kinetic energy is___ times its original value.value在这里指什么? 一道sat数学题 tx+12y=-3 t is a constant ,if the slope of the line is -10,what the value of If 10 + x is 5 more than 10,what is the value of 2x SAT里的一道题知道的高手帮下忙翻一下 if 5 more than x is equal to 10,what is the value of SAT数学题, 一道很简单的sat数学题!The first term in the sequence above us a,and each term after the first is 3 times the preceeding term.If the sum of the first 5 terms is 605,what is the value of 一道统计学题,A test of a null hypothesis gives a test statistic z=-1.6what is p-value if the alternative is Ha:u不等于u0? Value has a value only if its value is 一道SAT作文题should we limit our use of the term courage to acts in which people risk their own well-being for the sake of others or to uphold a value? 一道英文数学题,If a $25,000 machine depresses $800 per year or 10% of its original value each year,find a function that expresses the machine's value v after t years have passed.If this machine has no salvage value,what is the useful life of t 请翻译一道SAT的题If a and b are both odd intergers,which of the following can be an odd interger? If cos(a) = 2/3,find the value of cos(4a) 一道题Using the reducing balance methodof depreciation find the book value of an asset at the end of the fifth year of its purchase,if the original cost was $44000 and the depreciation rate was 10%p.a. 一道SAT数学题,懂的进If 5.16 is rounded to the nearest tenth and the result is doubled,what is the final result?答案是10.4 ,怎么算出来的?还有一题,(2/x)>3,In which of the following intervals does every value of x satisfy the ineq 紧急!12月考 20135月SAT数学If the circumference of a cir le is doubled when its radius r is increased by 4 inches, what is the value of r, in inches?3y=2x-6 y=1-cxIn the equations above,x and y are variables and c is a constant. If no ordered Find the minimum value of A=x^2 + y^2 if x + y =10 if money is no longer acceptable as a store of value, 四道SAT数学题求解答1.If points X and Y are two distinct points in the coordinate plane, which of the following can have more than one possible value?A The circumference of a circle with diameter XY.B The area of a square with diagonal XY.C Th sat一道数学题On a square gameboard that is divided into n row of n squares each,k of these squares lie along the boundary of the gameboard.Which of the following is a possible value for A.10 B.25 C.34 D.43 E.52不明白题目在说什么哟…