Question

13) A body starting from rest travels a distance of 10 m in 2 seconds. What is the
acceleration ?
A)​

Answer 1

Given :

• Initial velocity (u) = 0 m/s (as its starts from rest)
• Distance (s) = 10 m
• Time (t) = 2 seconds

To find :

• Acceleration (a)

According to the question,

By using Newtons second equation of motion,

→ s = ut + ½ at²

Where,

• s = Distance
• u = Initial velocity
• t = Time
• a = Acceleration

→ 10 = 0 × 2 + ½ × a × 2 × 2

→ 10 = 0 + 2a

→ 10 - 0 = 2a

→ 10 = 2a

→ 10 ÷ 2 = a

→ 5 = a

.°. The acceleration is 5 m/s²...

________________________________

More details :-

Acceleration :-

Acceleration of a body can be defined as the rate of change of velocity per unit time.

• SI unit is m/s²

• Formula for acceleration = v - u/t

• Acceleration is vector quantity.