2. The cyclist starts to go downhill at a speed of 3 M / s, and gains an acceleration of 8 cm / S 2 on the downhill road. The speed and displacement of the cyclist at 10 s after going downhill are calculated

V=V.+at=3+0.08*10=3.8m/s
Displacement s
=1/2（V+V.）t
=1/2(3+3.8)*10
=34m

RELATED INFORMATIONS

1. Someone rides a bicycle at an initial speed of 4 meters per second and drives up a slope with an acceleration of 0.2 meters per square second and a slope length of 20 meters, How long does it take for a bicycle to cross the slope?
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3. 2) The cyclist decelerates along the upward slope at an initial speed of 5 m / s. The acceleration is 0.4 m / s. how long is the distance on the slope?
4. If the acceleration is 0.4 m / S2 and the slope is 30 m long, the time required for the cyclist to pass the slope is 10 minutes______ s．
5. The cyclist moves in a straight line with uniform deceleration at an initial speed of 5 m / s, and the acceleration is 0.4 m / S2 (1) How long does it take to cross the distance of 30 meters? (2) What is the displacement in the second second? (3) What is the initial speed of the fifth second? (it can be solved by image)
6. The cyclist rides on a 30 m long slope at an initial speed of 5 m / S2 per second, and the acceleration is 0.4 m / S2
7. The cyclist decelerates to a slope at an initial speed of 5 m / s, the acceleration is 0.4 m / S 2, and the length of the slope is 30 m
8. From - 2m / s to - 5m / s, does the acceleration increase or decrease
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12. When the acceleration of an object moving in a uniform straight line is 3 M / s and reaches 15 m / s after 4 S, / degree, the initial velocity of the object will decrease
13. If the acceleration of an object moving in a straight line at a constant speed is 3m / s, is the velocity at the end of a 1s always 3m / s higher than that at the beginning of the 1s?
14. A and B start from the same ground and direction at the same time. A moves in a straight line at a uniform speed of 6m / s. B starts from a standstill and moves in a straight line at a uniform acceleration of 3m / S2 How long does it take before B overtakes a? What is the distance between the two cars? (2) When does car B catch up with car a? What's the speed of car B at this time?
15. When the acceleration is 3m / S2, then () A. The end velocity of a second must be 3 times of the initial velocity of that second. B. the initial velocity of a second must be 3 M / s higher than that of the previous second. C. the end velocity of a second must be 3 M / s higher than that of the previous second. D. the end velocity of a second must be 3 M / s higher than that of the previous second
16. If there is an object moving in a straight line with uniform acceleration and zero initial velocity, and the acceleration is 3m / S ^ 2, then: What is the difference between the displacements of two adjacent ones within 1 s? How to calculate the displacement ratio in the first second, the second and the third seconds? How to calculate the ratio of the average speed in the first second, the second and the third seconds? How to calculate the ratio of initial velocity at the end of 1s, 2S and 3S?
17. When the speed of the car is 18m / s, the car makes a uniform deceleration linear motion after the emergency brake, and the acceleration is 6m / S2. The distance of the car passing through in 6S after the brake is calculated
18. When an object moves in a straight line with uniform deceleration V0 = 3m / s a = 0.4m/s ^ 2 the displacement of the object in a certain 1s s = 0.4m how long has the object been moving before this 1s?
19. The object slides on the smooth slope at the speed of 4m / s, passing through two points a and B. the speed at point a is twice that at point B. from point B to the top C of the slope after 0.5s, the speed becomes 0, as shown in the figure. The distance between a and B is 0.75m. Try to find the length of the slope and the time it takes for the object to slide from the bottom d to B? (the object moves in a straight line with uniform deceleration on the inclined plane)
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