Question

5. Calculate the speed of a truck covering 56 min 7s.

6. Calculate the density of a body of mass 4kg occupying a space of 0.5 cubic m
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Answer 1

Answer:

(5)- 8 m/s

(6)-. 32 kg/cubic m

Explanation:

(5)-

speed = distance/time

= 56/7

= 8 m/s

6)-

density= mass/volume

=4/(.5×.5×.5)

= 32 kg/cubic m