plz solve 24 to 27
24. The cross-section Of a of metal 2m in length shown in the adjoining figure Calculate: (i) the area of its cross-section; (ii) the volume of piece of metal; (iii) the weight of piece of metal to the nearest kg, if 1 or the metal weighs 6.5g.
25. The adjoining figure shows the cross-section of a concrete wall to be constructed. It is 1.9 cm wide at the bottom, 90 cm wide at the top and 5 m high. If its length is 20 m, find • (i) the cross-sectional area; (ii) the volume of the concrete in the wall.
26. A square brass plate of side x cm is 1 mm thick and weighs 5.44 kg. If 1 cm^3 of brass weighs 8.5 g, find the value of x.
27. The area of cross-section of a rectangular pipe is 5.4 cm^2 and water is pumped out of it at the rate Of
27 kmph. Find, in litres, the volume of water which flows Out of the pipe in 1 minute.
Dear student
27
For remaining queries we request you to post them in separate threads to have rapid assistance from our experts.
Regards
27
For remaining queries we request you to post them in separate threads to have rapid assistance from our experts.
Regards