Question

A bicycle initially moving with a velocity
5.0 m s-1 accelerates for 5 s at a rate of 2 m s-2. What
will be its final velocity ?​

Answer 1

Answer in the attachment

Answer 2

$\huge\bigstar\sf\blue{GIVEN}\bigstar$

• $\sf{Initial\:Velocity = 0m/s}$

• $\sf{Acceleration = 2m/s^{-2}}$

• $\sf{Time = 5s}$

$\huge\bigstar\sf\green{TO\:FIND}\bigstar$

• The Final Velocity

$\huge\bigstar\sf\red{Formulae\:used}\bigstar$

• ${\huge{\boxed{\sf{v = u + at}}}}$

Where,

• u = Initial Velocity

• v = Final Velocity

• a = Acceleration

• t = Time.

Now,

$\implies\sf{ v = u + at}$

$\implies\sf{ v = (5) + (2)(5)}$

$\implies\sf{ v = 5 + 10}$

${\implies{\underline{\boxed{\sf{\blue{ v = 15m/s}}}}}}$

Hence, The Final Velocity is 15m/s.

MORE INFORMATION:-

• Velocity is defined as the displacement Covered by body in per unit time.

• Acceleration is defined as the rate of the change in Velocity.

• Distance- time relation is given by s = ut + ½ × a × t²

• Velocity is a vector quantity as it has a both magnitude and Direction.

• Acceleration is also vector quantity.