...F=32í F= 32 X 8 = 256 Therefore the required velocity will be 25(5 feet per second. 12. The distance a body falls from rest varies as the square of the time it is falling. If a body falls through 144 feet in 3 seconds, how far will it fall in 5 seconds ? d=mP...

...the end of 2 seconds is G4 feet, what will be its velocity at the end of 6 seconds ? 21. The distance a body falls from rest varies as the square of the time it falls. ' If a ball falls 144 feet in 3 seconds, how far will it fall in 12 seconds ? 22. The quantity...

...velocity at the end of 2 seconds is 64 ft. Find the velocity at the end of 6 seconds. 102. The distance through which a body falls from rest varies as the square of the time it falls ; and a body falls 144 ft. in 3 seconds. How far does it fall in 4 seconds ? 103. The volume...

...velocity at the end of 2 seconds is 64 ft. Find the velocity at the end of 6 seconds. 102. The distance through which a body falls from rest varies as the square of the time it falls ; and a body falls 144 ft. in 3 seconds. How far does it fall in 4 seconds? 103. The volume...

...the surface varies as the square of the radius ? It has been found by experiment that the distance a body falls from rest varies as the square of the time. 23. If a body falls 256 feet in 4 seconds, how far will it fall in 10 seconds ? 24. From what height...

...varies as the cube of the radius ? 26] VARIATION. 323 It has been found by experiment that the distance a body falls from rest varies as the square of the time. 10. If a body falls 256 feet in 4 seconds, how far wi11 it fall in 10 seconds ? 11. From what height...

...the statement x oc y, and shew that as a consequence x = ky, where k is some constant. The distance through which a body falls from rest varies as the square of the time. It is known that the body falls 16.1 ft. in the first second ; how far will it fall in seven seconds...

...that the volume varies as the cube of the radius ? It has been found by experiment that the distance a body falls from rest varies as the square of the time. 10. If a body falls 256 feet in 4 seconds, how far will it fall in 10 seconds ? 11. From what height...

...feet is 78.54 square feet, what is the area of a circle whose diameter is 20 feet ? 6. The distance a body falls from rest varies as the square of the time of falling. If a stone falls 64.32 feet in 2 seconds, how far will it fall in 5 seconds ? 7. The area...

...that the volume varies as the cube of the radius ? It has been found by experimeut that the distance a body falls from rest varies as the square of the time. 17. If a body falls 256 feet in 4 seconds, how far will it fall in 10 seconds ? 18. From what height...