Question

if the mass of a metal bar which is 3.25m long is 15kg,find it's mass per metre​

Answer 1

Step-by-step explanation:

Mass/metre=15/3.25

=4.6kg/m

Answer 2

Answer:

Step-by-step explanation:

3/4=15

let,

total mass is x

x=4×15/3

=20 kg

so, total mass = 20 kg

=2×20/5

=2×4

=8 kg

I hope it helps you

mark as brainlist plz****