Fred\'s ball and Barney\'s ball have the same size, but Barney\'s ball is hollow

Question

Fred's ball and Barney's ball have the same size, but Barney's ball is hollow. Betty's ball and Wilma's ball are scaled down versions of Fred's ball and Barney's ball respectively. They all place their bowling balls on the same pitch incline and release them from rest at the same time. (Select G-Greater than, L-Less than, E-Equal to, ). Please see diagram printed on your homework page. The order of the objects in the diagram is Fred, Betty, Barney, Wilma. A) The time it takes for Wilma's ball to hit the pins is. hat for Betty's ball to hit B) The time it takes for Barney's ball to hit the pins is that for Fred's ball to hit. C) The time it takes for Fred's ball to hit the pins is. that for Wilma's ball to hit. D) The time it takes for Barney's ball to hit the pins is that for Bctty's ball to hit. E) The time it takes for Fred's ball to hit the pins is.. that for Betty's ball to hit. F) The time it takes for Wilma's ball to hit the pins is hat for Barney's ball to hit. ns 1S

Explanation / Answer

The solid ball will always reach faster than the hollow ball. Size does not matter (bigger smaller will reach the same time as smaller solid, etc.)

A)

The time it takes for Wilma's ball to hit the pins is greater than that for Betty's ball to hit.

B)

The time it takes for barney's ball to hit the pins is greater than that for fred's ball to hit.

C)

The time it takes for fred's ball to hit the pins is less than that for wilma's ball to hit.

D)

The time it takes for barney's ball to hit the pins is greater than that for betty's ball to hit.  

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