Direction: Solve for Acceleration. Write your COMPLETE SOLUTION and Box your Final answer.
1. If a car increases in velocity from 5 m/s to 15 m/s in three seconds, what is its acceleration?
2. A car accelerates from rest to 50 m/s in 10 seconds. What is the acceleration?
3. How long did the drag racer accelerate at 12 m/s² if the velocity increased by 51 m/s?
4. A golf ball rolls up a hill towards the hole. If the golf ball ends with a speed of 2 m/s 2 seconds later and slows at a constant rate of 0.5 m/s², what is its initial?
5. Water rushes down a river at 2.4 m/s. In 4 seconds, it decreases to 0.6. What is the acceleration of water?
1. If a car increases in velocity from 5 m/s to 15 m/s in three seconds, what is its acceleration?
2. A car accelerates from rest to 50 m/s in 10 seconds. What is the acceleration?
3. How long did the drag racer accelerate at 12 m/s² if the velocity increased by 51 m/s?
4. A golf ball rolls up a hill towards the hole. If the golf ball ends with a speed of 2 m/s 2 seconds later and slows at a constant rate of 0.5 m/s², what is its initial?
5. Water rushes down a river at 2.4 m/s. In 4 seconds, it decreases to 0.6. What is the acceleration of water?
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Answer:
1. 5 m/s^2
2. 5 m/s^2
3. 4.25 m/s
4. 1 m/s
5. 0.45 m/s^2
Explanation:
1. 15/3 = 5 m/s^2
2. 50/5= 5 m/s^2
3. 51/12 = 4.25 m/s
4. 2 m/s - (0.5 m/s^2 x 2s)
= 2 - (0.5 x 2)
= 2- 1
= 1
5. 0.6 m/s - 2.4 m/s / 4s
= -18 / 4
= 0.45 m/s^2
Correct me if im wrong