A steel bar of 35 mm diameter and length 350 mm is pulled
by 0.002 mm by application of tensile load. If the diameter of
the bar is changed to 30 mm find the change in length for the
same load.
SPPU : May 2015. Marks 6 1
Answers
Answered by
3
Answer:
Height of the cylindrical part =13cm
Radius of cone , cylinder and hemi sphere=5cm
r=5cm for hemisphere cylinder and cone.
Height of cone h=30−5−13=12
The area of canvas required=Surface area of hemishphere,cylinder and cone parts of tent
A=2πr
2+2πrH+πr( h2 +r2 )A=2π×5×5+2π×5×13+π×5( 5 2 +122 ) A=770cm2
Similar questions