Question

An object travels 20m in 4sec . calculate its speed

Answer 1

GIVEN

An object travels 20m in 4sec .

TO FIND

Find its speed

SOLUTION

• Distance travel = 20m
• Time taken = 4sec
• Speed = ?

→ speed = distance/time

→ speed = 20/4

→ speed = 5m/s

Hence, speed of object is 5m/s

Answer 2

Answer:

FORMULA USED

$speed = \frac{distance}{time}$

Explanation:

DISTANCE TRAVELLED = 20 M

TIME TAKEN TO COVER THE DISTANCE = 4 SEC.

USING THE FORMULA :

$speed = \frac{20m}{4sec}$

$speed = 5m \: per \: sec$

ADDITIONAL DATA :

SPEED IN KM/HRS.

WE MULTIPLYING WITH 18 /5.

$5 \times \frac{18}{5} km \: per \: hour$

$18km \: per \: hour$

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