Question

How long will it take for a child running at 5 m/s to cover a distance of 200 m?



b. Calculate the density of a body of mass 2500 kg that occupies a volume of 4 m3


numericals ​

Answer 1

Answer:

a) 40s

b) 625 kg/m³

Explanation:

a) speed = distance/ time

5m/s = 200m / t

t = 200 / 5

t = 40s

b) density = mass / volume

D = 2500 / 4

D = 625 kg/m³