...feet. What is the volume of a sphere of one yard radius ? Ex. 3. The distance through which a heavy body falls from rest varies as the square of the time it falls ; also a body falls 64 feet in 2 seconds. How far does a body fall in 6 seconds ? Ex. 4. The...

...V=mt .-. m = 32 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...feet in 3 seconds, how far will it fall in 5 seconds ? d=mP 144= mX9 m = 16 d=16i2 d= 16X25 = 400 Therefore the body will fall 400 feet in 5 seconds. 13....

...sphere whose radius is 2 feet. 10. If a sphere of given material 3 inches in diameter weighs 24 Ibs., how much will a sphere of the same material weigh...volume of a right circular cone varies jointly as its height and the square of the radius of its base. If the volume of a cone 7 feet high with a base whose...

...whvv» radius is 1 foot is { INS vmk'U' ЛчЧ. ^»vl Uvi,1 volwwv> of * sphere whose radius ¡H 'J IWv. 11. The velocity of a falling body varies as the time...volume of a right circular cone varies jointly as its height and the square of the radius of its base. If the volume of a cone 7 feet high with a base whose...

...seconds is 64. What is the velocity at the end of five seconds ? 11. The distance through which a heavy body falls from rest varies as the square of the time it falls, and a body falls through 144 feet in three seconds. How far does it fall in two seconds ? 12....

...Find the volume of a sphere whose radius is 2 feet. 11. The velocity of a falling body varies аз the time during which it has fallen from rest. If...volume of a right circular cone varies jointly as its height and the square of the radius of its base. If the volume of a cone 7 feet high with a base whose...

...falling ball at 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...

...sphere of given material 3 inches in diameter weighs 24 pounds, how much will a sphere of the sanie material weigh if its diameter is 5 inches ? 11. The...volume of a right circular cone varies jointly as its height and the square of the radius of its base. 13. Compare the volume of two cones, one of which...

...be known that 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...

...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...