Assignment ① A mass of 40 kg ascend a flight of Stairs 5m high in...

Assignment

①

A mass of 40 kg ascend a flight of Stairs 5m high in 5 seconds if the aclerala-tion due to gravity is locm² the power expended is? (5mark).

2 A boy Weigting 35 on runs up a flight of stairs consisting of 20 step each loom high in to secound what is his power?

(5 mark)

3 A brass rod is 2m long at a certain temperature, what is its lenth for a temperature rise of look, If the Linear expansity of brass is 18x1o-bk-(5 mark)

4. The increase in the volume of lo ch³ of mercardy when the temperature rise by lou¿ is 0.182 cm² kluat is the cubic expansivcity of mercury (5 mark?

In Gboko Polytechnic
0 Answers Available
Asked by Iortyer on 6th March, 2025