cosudarshan
Answered

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a vehicle starts from rsst and after 10 seconds its velocity is 20m/s find the acceleration and the distance travelled.(step by step only please)​

Sagot :

Answer:

Acceleration is 2 m/s²

Distance is 100 m

Explanation:

From definition of acceleration, Acceleration is the rate of change in velocity.

• Simplifying the definition, or modifying it;

[tex]{ \boxed{ \rm{acceleration = \frac{(final \: velocity - initial \: velocity)}{time} }}}[/tex]

• Let's formulate symbols:

[tex]{ \boxed{ \rm{a = \frac{v - u}{t} }}}[/tex]

  • a is acceleration
  • v is final velocity, v = 20 m/s
  • u is initial velocity, u = 0 m/s [ at rest ]
  • t is time, t = 10 seconds

[tex]{ \rm{a = \frac{20 - 0}{10} = \frac{20}{10} }} \\ \\{ \boxed{ \rm{ \: a = 2 \: {ms}^{ - 2} }}}[/tex]

Distance = ut + ½at²

Distance = (0 × 10) + (½ × 2 × 10²)

Distance = 0 + 10²

Distance = 100 meters

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