Question

a object has completed his journey at a constant speed of 20km/h find its acceleration​

Answer 1

Answer:

0 m/s²

Explanation:

Given :

• Constant speed with which the object is moving = 20 km/hr

To find :

• Acceleration of the object

20 km/hr = 20×5/18 = 100/18 = 5.555 m/s

When an object moves with a constant speed the speed does not change and hence both initial and final velocity will be same

Acceleration = (v-u) /t

Acceleration = (5.555-5.555)/t

Acceleration = 0/t

Acceleration = 0 m/s²

The acceleration of the object is 0 m/s²

Answer 2

✯✯ QUESTION ✯✯

A object has completed his journey at a constant speed of 20km/h find its acceleration..

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✰✰ ANSWER ✰✰

$\longmapsto\tt{Constant\:speed\:of\:bus=20km/hr}$

$\longmapsto\tt{20\times\dfrac{5}{18}=\cancel\dfrac{100}{18}}$

$\longmapsto\tt\bold{5.555m/s}$

$\longmapsto\tt{Acceleration(a)=?}$

➮As we know that when an object or body is moving in a constant speed then there is no change in its speed and Its initial(u) and final(v) velocity remains same...

➥Using Formula : -

$\longmapsto\tt{\small{\boxed{\bold{\bold{\pink{\sf{Acceleration=\dfrac{(v-u)}{t}}}}}}}}$

➥Putting Values : -

$\longmapsto\tt{Acceleration=\dfrac{(5.555-5.555)}{t}}$

$\longmapsto\tt{Acceleration=\dfrac{0}{t}}$

$\longmapsto\tt\bold{Acceleration={0m/s}^{2}}$

☛So ,The Accelertion is 0m/s²...