A toy car was moving at 20cm/s.the speed of the vehicle was 50cm/s after passing the distance of 1 meter.how much the acceleration of the vehicle?
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Answer
- Acceleration , a = 0.105 m/s²
Given
- A toy car was moving at a speed of 20 cm/s . After going a distance of 1 meter,the speed of that car is 50 cm/s
To Find
- Acceleration ,a
Solution
Initial speed , u = 20 cm/s = 0.2 m/s
Final speed , v = 50 cm/s = 0.5 m/s
Distance , s = 1 m
Acceleration , a = ? m/s²
Apply 3rd equation of motion .
⇒ v² - u² = 2as
⇒ 0.5² - 0.2² = 2a(1)
⇒ 0.25 - 0.04 = 2a
⇒ 0.21 = 2a
⇒ a = 0.105 m/s²
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