1
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

A cone filled with water is revolved in a vertical circle of radius $$4 \mathrm{~m}$$ and the water does not fall down. What must be the maximum period of revolution?

A
2s
B
4s
C
1s
D
6s
2
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

A train has to negotiate a curve of radius $$400 \mathrm{~m}$$. By how much should the outer rail be raised with respect to the inner rail for a speed of $$48 \mathrm{~km} / \mathrm{h}$$ ? The distance between the rails is $$1 \mathrm{~m}$$.

A
1.5 cm
B
2.5 cm
C
3.5 cm
D
4.5 cm
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