Question

A racing car has a uniform acceleration of 4 ms? What
distance will it cover in 10 s after start​

Answer 1

Answer :

Initial velocity of car = zero

Acceleration = 4 m/s²

We have to find distance travelled by racing car in 10s$.$

★ Since acceleration of car is said to be constant throughout the motion, we can apply equation of kinematics to solve this question.

Second equation of kinematics is given by

• s = ut + 1/2 at²

s denotes distance

u denotes initial velocity

t denotes time

a denotes acceleration

By substituting the given values,

→ s = ut + 1/2 at²

→ s = (0 × 10) + 1/2 (4 × 10²)

→ s = 0 + 1/2 (4 × 100)

→ s = 1/2 (400)

→ s = 200 m

Answer 2

Explanation:

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