A car going 45 m/s accelerates to pass a truck. Five seconds later the car is going 75 m/s. Calculate the acceleration of the car using the units of meters per second.
Answers
Answered by
30
Answer:
17 m/s²
Explanation:
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Answered by
99
Answer:
- Acceleration of Car is 6 m/s²
Explanation:
Given
- Initial velocity of Car, u = 45 m/s
- Velocity attained, v = 75 m/s
- Time taken for change in velocity, t = 5 sec
To find
- Acceleration of the Car, a =?
Formula required
- First equation of motion
v = u + a t
[ Where v is final velocity, u is initial velocity, a is acceleration, t is time taken ]
Calculation
Using first equation of motion
→ v = u + a t
→ 75 = 45 + a × 5
→ 75 - 45 = 5 a
→ 30 = 5 a
→ a = 30/5
→ a = 6 m/s²
Therefore,
- Acceleration of Car is 6 m/s².
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