When the light turns green, John accelerates straight down the road at 1.8 m/s for 8 seconds. What is his final velocity at the
1 answer:
Acceleration is the rate of change of velocity over time
His final velocity is 14.4 meters per second
<h3>How to determine the final velocity</h3>From the question, we have:
- Initial velocity: u = 0 m/s
- Time = 8 seconds
- Acceleration = 1.8 m/s^2
Using the first equation of motion, we have:
So, the equation becomes
Hence, the final velocity is 14.4 meters per second
Read more about acceleration at:
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Answer:
Step-by-step explanation:
Given : A pair of fair dice is rolled, If the sum of the spots is 7.
To find : Determine the probability that one die showed a 2 ?
Solution :
A pair of fair dice is rolled the outcomes are,
(1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6)
(2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6)
(3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6)
(4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6)
(5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6)
(6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)
The sum of the spots is 7 i.e. (4,3),(2,5),(5,2),(3,4),(1,6),(6,1).
Total possibility = 6
Favorable outcome is that one die showed a 2 i.e. (2,5),(5,2)= 2
The probability that one die showed a 2 is given by,