Rating=10W and Relative speed of flow = .Half as as 5W oil and second Rating=15W and..... Relative speed of flow = .Half as fast as 10W oil...........and third Rating =20W and Relative speed of flow= Half as fast as 15W oil.........According to the table above,car engine oil with a rating of 5W flows how many times as fast as car engine oil with a rating of 20W?please explain in detail.
2007-10-31 01:31:23 · 4 answers · asked by amjad 1 in Science & Mathematics ➔ Physics
set up
10w to 5W = 2
15w to 10w =2
then
15w to 5w must be 4.
and since
20w to 15w =2
20w to 5w= (10w to 5W)(15w to 10)(20w to 15w)=2 x 2 x 2=8
2007-10-31 01:35:50 · answer #1 · answered by Edward 7 · 0⤊ 0⤋
Engine Oil Ratings
2016-11-09 19:06:52 · answer #2 · answered by caffrey 4 · 0⤊ 0⤋
5w flows 8 times as fast as 20W
5w flows twice as fast as 10W (x2)
10w flows twice as fast as 15W (x2)
15w flows twice as fast as 20W (x2)
2 x 2 x 2 = 8
2007-10-31 01:35:40 · answer #3 · answered by Doctor Q 6 · 0⤊ 0⤋
V(5) = 2V(10) = 4V(15) = 8V(20)
Ans. 8x
2007-10-31 01:37:32 · answer #4 · answered by gebobs 6 · 0⤊ 0⤋