Plz solve any 3 numerical in the following numerical except questions no 31
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sujeet12325
30. 5 cm=20 km/ h 1km=20/5=4km/h 7.5km=4×7.5=30km/ h. 32. time taken to cover maximum height = u/g=20/10=2second at maximum height v=0 34. length of minute hand= 7 cm after half rotation, displacement= 2r= 2×7=14cm distance=πr= 22/7×7= 22cm.
Answers & Comments
1km=20/5=4km/h
7.5km=4×7.5=30km/ h.
32. time taken to cover maximum height
= u/g=20/10=2second
at maximum height v=0
34. length of minute hand= 7 cm
after half rotation,
displacement= 2r= 2×7=14cm
distance=πr= 22/7×7= 22cm.