Answer:
#see details below.
Explanation:
-The net distance travelled would double because they had double the horizontal speed.
-The marbels would consequently spend about the same time in the air since vertical motion is not affected.
the pressure at B is 527psf
Angular velocity, ω = v / r
ω = 20 /1.5
= 13.333 rad/s
Flow equation from point A to B
soil i think is this from apex?
Your answer is C) The year the element was discovered :)
A
i really wish i can help
but we are not all einsteins