The displacement of an object in the third second and the sixth second is 2.4 m and 3.6 m respectively Find the initial velocity, acceleration and average velocity in the first 6 seconds It seems that we can't do it by formula!

The problem is to find the acceleration first. There are two equations, 3S and 6S. Can't you make a system of equations? Just find a. then you can use a to calculate the displacement. Isn't the total bit removal time the average velocity? Our goal is acceleration. Get the acceleration. All the problems can be solved easily

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1. When an object moves in a straight line with uniform acceleration, the initial velocity is 5 m / s, and the acceleration is 0.5 m / S2, the displacement of the object in 3 s is zero______ The displacement in 3S is______ ．
2. If the initial velocity V0 of an object is 2 m / s and the displacement it passes through in the third second is 4.5 m, then its acceleration is 0
3. For an object moving in a straight line with uniform acceleration, if the initial velocity V0 is 2.0 M / s, and the displacement it passes through in the third second is 4.5 m, then its acceleration is 0______ ．
4. For an object moving in a straight line with uniform acceleration, if the initial velocity V0 is 2.0 M / s, and the displacement it passes through in the third second is 4.5 m, then its acceleration is 0______ ．
5. For an object moving in a straight line with uniform acceleration, if the initial velocity V0 is 2.0 M / s, and the displacement it passes through in the third second is 4.5 m, then its acceleration is 0______ ．
6. For an object moving in a straight line with uniform acceleration, if the initial velocity V0 is 2.0 M / s, and the displacement it passes through in the third second is 4.5 m, then its acceleration is 0______ ．
7. When an object moves in a straight line with uniform acceleration, the initial velocity is 2m / s, and the acceleration is a = 0.5m every second, the displacement of the object in the third second can be calculated. The method and steps to solve the problem
8. The object makes a uniform deceleration linear motion with initial velocity of 6 m / s and acceleration of - 1 m / s, and the displacement of the object passing through in a few seconds is 0.5 m?
9. When a cloud with initial velocity of 6m / s and acceleration of - 1 decelerates and moves in a straight line, the displacement of the object passing through in the second is 0.5m
10. When an object starts to move in a straight line with a constant acceleration of 0.5m/s ^ 2 from rest, and then decelerates for 6m to rest, if the time taken in the whole process of the object's motion is 10s, the following formula can be obtained: (1) The maximum speed of an object (2) The acceleration of an object during deceleration
11. When an object moves in a straight line with uniform acceleration, its displacements in the third and sixth seconds are 2.4m and 3.6m respectively?
12. The average velocity in the first second is 1.2 m / s, and the average velocity in the second second is 1 m / s. The acceleration and total displacement of an object are calculated
13. For a particle moving in a straight line with uniform velocity, the initial velocity is 0.5m/s, and the displacement in the 9th second is 4m more than that in the 5th second? (2) What is the displacement of the particle passing through in 9s?
14. If the average velocity of the particle moving from the end of 5S to the end of 19S is 3.6m/s, the displacement of the particle in the first 8s can be calculated by the proportional method
15. The initial velocity of a particle moving in a straight line with uniform velocity is 0.5m/s, which is higher in the 9th s than in the 5th s
16. For a particle moving in a straight line with uniform velocity, the initial velocity is 0.5m/s, and the displacement in the 9th second is 4m more than that in the 5th second? (2) What is the displacement of the particle passing through in 9s?
17. If the average velocity from the end of 5S to the end of 9s is 2.1mgs, Such as the title
18. When an object moves in a straight line with uniform acceleration, the displacement is 10 m in the third second and 14 m in the fifth second, Here is my process 1/2a+V0=10 1 1/2a+V0'=14 2 Here, V0 refers to the velocity at the end of the second second second, and V0 'refers to the velocity at the end of the fourth second 1-2 to get V0 '- V0 = 4 So a = 2m / S ^ 2 Then 1 / 2 × 2 + V0 = 10 So the initial velocity is 8m / s But the initial speed in the answer is 5m / s, which I don't understand. I hope you can analyze the problems in my process,
19. When an object moves in a straight line with uniform acceleration, the displacement is 10m in the fifth second and 20m in the seventh second,
20. The initial velocity of an object moving in a straight line with uniform velocity is 28m / s, and the displacement in the 6S is 4m less than that in the 5S If the initial velocity of an object moving in a straight line with uniform velocity is 28m / s, the displacement in the 6S is 4m less than that in the 5S, what is the acceleration of the object?