Question

plz solve it very nessery ​

Answer 1

Let us consider the man carries 'n' bricks then,

work done by the man = n×mgh

also,

total work done by him = average power × total time = 9.8 × 3600

now,

n × 2.5 × 9.8 × 3.6 = 9.8 × 3600

n = 400

Answer 2

hey mate here you go 2