Question

Rama start his journey with Velocity of a 20m/s then he accelerated bike by 2m/s for 5 second.find the final velocity​

Answer 1

Given :-

• Initial velocity (u) = 20m/s
• Acceleration (a) = 2m/s²
• Time (t) = 5s

To find :-

• Final velocity

Solution :-

★According to first equation of motion

→ v = u + at

→ v = 20 + 2 × 5

→ v = 20 + 10

→ v = 30m/s

Extra Information

• s = ut + ½ at² [2nd equation of motion]
• v² = u² + 2as [3rd equation of motion]

Answer 2

Answer

• Final velocity , v = 30 m/s

Given

• Rama start his journey with Velocity of a 20 m/s then he accelerated bike by 2 m/s² for 5 seconds

To Find

• Final velocity , v

Solution

Initial velocity , u = 20 m/s

Acceleration , a = 2 m/s²

Time , t = 5 s

Final velocity , v = ? m/s

Use 1st equation of motion .

⇒ v = u + at

⇒ v = 20 + 2(5)

⇒ v = 20 + 10

⇒ v = 30 m/s

So , the final velocity is 30 m/s

More Info

Equations of Motion :

• v = u + at
• s = ut + ¹/₂ at²
• v² - u² = 2as
• Sₙ = u + a/2 ( 2n - 1 )