Question

an object start from rest and gains the velocity 10 m/s in the time interval 5 s. what is the acceleration of the object?​

Answer 1

Initial velocity of the object is zero, since it starts from rest.

• Initial velocity, u = 0

• Final velocity, v = 10 m/s

• Time interval, t = 5 sec

• Let acceleration be a.

According to the first equation of motion,

v = u + at.

$10 = 0 + (a \times 5) \\ \\ 10 = 5a \\ \\ a = \frac{10}{5} \\ \\ a = 2 \: \frac{m}{ {s}^{2} }$

The acceleration of the object is 2 m/s².

Answer 2

Answer:

Given :-

• An object start from rest and gains the velocity of 10 m/s in the time interval of 5 seconds.

To Find :-

• What is the acceleration of an object.

Formula Used :-

To find acceleration we know that,

✪ a = v - u/t ✪

where,

• a = Acceleration
• v = Final velocity
• u = Initial velocity
• t = Time

Solution :-

Given :

• Initial velocity = 0 m/s
• Final velocity = 10 m/s
• Time = 5 seconds

According to the question by using the formula we get,

↦ a = 10 - 0 / 5

↦ a = 10 / 5

➠ a = 2 m/s

∴ The acceleration of an object is 2 m/s .