Question

If 22.5 m of iron rod weighs 85.5 kg. What will be the length of 22.8 kg of the same rod?​

Answer 1

Answer:

6m

Step-by-step explanation:

The length of 22.8 kg of the rod is 6 meters.

This types of question can be solve by unit analysis or per unit measure .

Given ,

       length of 85.5 kg of uniform rod = 22.5 m

       then ,

       length of 1 kg of uniform rod = (22.5 / 85.5) m

       length of 22.8 kg of the same rod = (22.5 / 85.5) * 22.8 m

                                   = 6 m

Answer 2

Answer:

22.5 m iron rod weight 85.5 kg

⇒∴1mironrodweight=

22.5

85.5

=3.8kg

⇒ Hence, 5 m iron rod weight is = 19 kg

Step-by-step explanation:

hope it's helps you