For uniformly accelerating linear motion with zero initial velocity, the difference of displacement between adjacent and equal time intervals is constant? Why

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• 1. The particle moves in a straight line with acceleration a = KTV ^ 2, where k is a constant and the initial velocity is V0, then the function of particle velocity V and time t is?
• 2. It is proved that if a function takes any certificate as a cycle, then the function is a constant
• 3. The object starts to move in a straight line with an initial velocity of 5. Given that the acceleration at any time t is the square of T plus 2 times T, please express the displacement s as a function of time t Function problem
• 4. It is proved that: (1) if the difference of displacement of an object moving uniformly in a straight line is a fixed value in any two continuous equal time, and the acceleration is a, the continuous equal time is t, and the difference of displacement is △ x, then △ x = at2. (2) in the uniformly variable linear motion, the instantaneous velocity at the midpoint of displacement is VX2 = V20 + v2t2
• 5. It is proved that the displacement difference of an object moving in a straight line with uniform speed change in any two consecutive equal times is a fixed value
• 6. The difference △ s between the displacements of an object moving in a straight line at a constant speed in any two consecutive equal times is a measure, and △ s =? Proves that:
• 7. This paper tries to prove that the displacement difference of an object moving in a straight line with uniform speed change from any moment to every continuous and equal time interval T forms an arithmetic sequence
• 8. The results are as follows: 1. The spring oscillator moves harmoniously, the velocity at T1 is V, the velocity at T2 is V, and the direction is the same. Given that (t2-t1) is less than the period T, then (t2-t1) The results are as follows: 1. When the spring oscillator moves harmoniously, the velocity is V at T1 and V at T2, and the direction is the same. It is known that (t2-t1) is less than period T, then (t2-t1) () A. May be greater than a quarter of a cycle B. may be less than a quarter of a cycle C. It must be less than half period D. it may be equal to half period D Why don't you choose D?
• 9. The velocity of the spring oscillator is V at T1 and V at T2, and the direction is the same. It is known that (t2-t1) is less than the period T, then (t2-t1) () A. May be greater than a quarter of a cycle B. may be less than a quarter of a cycle C. must be less than a half of a cycle D. may be equal to a half of a cycle
• 10. If the length of the spring is the same at T1 and T2, then it is certain that the oscillator will vibrate at these two moments () A. Equal displacement and opposite direction B. equal velocity and same direction C. equal acceleration and same direction D. equal velocity and opposite direction
• 11. Why is the difference of displacement equal in equal time interval of uniform acceleration linear motion Since it's acceleration, The displacement should change more and more, How can it be equal? I can also deduce formulas, but I always feel that they are not consistent with the reality Who can explain it to me//
• 12. When an object starts to move in a straight line with uniform acceleration from a standstill, and t is the time interval, the displacement in the third t time is 3 m, and the instantaneous velocity at the end of the third t is 3 M / s 【1】 What is the acceleration of the object 【2】 What is the instantaneous velocity at the end of the first t time 【2】 What is the time interval 【4】 What is the displacement of the object in the first t time
• 13. Question 6: if the particle moves in a straight line s = 5T square + 3t-1, then the velocity V (2) =? Acceleration α (2) =?
• 14. When a particle moves along the x-axis, the relationship between its acceleration a and the position coordinate X is a = 2 + 6x2 (a is equal to the square of 2 plus 6 x), if the velocity of the particle at the origin is zero Try to find the speed at any position. (I can't calculate the second-order differential, please write in detail, I'm stupid.)
• 15. The relationship between the coordinate X of the particle moving on the x-axis and time t is x = 3T & sup2; + 2t-4, and the acceleration is, when t = 0,
• 16. The relationship between the distance and time for a car to make a uniform acceleration straight-line motion from standstill can be expressed as s = half a * (the square of T), where a is the acceleration. In one driving, the acceleration of the car is 5m / s, then the time required for a 75 meter journey is () Accurate to 0.1s
• 17. "The uniform speed change linear motion is the linear motion whose displacement changes uniformly with time". Is that right? Why
• 18. For uniform linear motion, the acceleration change is the same in the same time Why is this sentence wrong? I know it's invariable. Isn't it a constant function? In the same time change is not 0? 0 is not the same?
• 19. The definition of uniform variable speed linear motion is the same acceleration, that is to say, as long as the speed change / time change is the same? Look at it The definition of uniform variable speed linear motion is the same acceleration, that is to say, as long as the speed change / time change is the same? Don't stress that the speed change must be the same in the same time, as long as the ratio is the same? That is, the speed change in two seconds is four meters per second, and the speed change in four seconds is eight meters per second. So the acceleration is the same, so is he still moving in a straight line with constant speed?
• 20. When an object is moving in a straight line with constant speed change, does the acceleration change equally in the same time