The Flintstones and Rubbles decide to try out the new inclined bowling alley, \"

Question

The Flintstones and Rubbles decide to try out the new inclined bowling alley, "Bedslant Bowling". Fred's ball and Betty's ball have the same size, but Betty's ball is hollow. Wilma's ball and Barney's ball are scaled down versions of Fred's ball and Betty's ball respectively. They all place their bowling balls on the same pitch incline and release them from rest at the same time. The time it takes for Betty's ball to hit the pins is .... that for Fred's ball to hit. Greater than Less than Equal to The time it takes for Barney's ball to hit the pins is .... that for Fred's ball to hit. Greater than Less than Equal to The time it takes for Barney's ball to hit the pins is .... that for Betty's ball to hit. Greater than than Equal to The time it takes for Wilma's ball to hit the pins is .... that for Betty's ball to hit. Greater than Less than Equal to The time it takes for Wilma's ball to hit the pins is .... that for Barney's ball to hit. Greater than Less than Equal to

Explanation / Answer

for solid sphere

velcoity at bottom of incline

v = sqrt(10gh/7)

for holow sphere

v = sqrt(6gh/5)

hollow velcoity is less that solid sphere so hollow take much time

part 1 )

equal

part 2 )

greater than

part 3 )

greater than

part 4 )

greater than

part 5 )

equal

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