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Mily
Questions (7)
The rectangular coordinates of the point P are (-1,sqrt 3). If P is reflected witg respect to the x-axis, then the polar
1 answer
714 views
There are 12 balls in a bag, where n of them are white balls. If 2 balls are chosen at random from the bag without replacement,
2 answers
587 views
A 1-m-tall barrel is closed on top except for a thin pipe extending 4.8m up from the top. When the barrel is filled with water
1 answer
1,247 views
Ignoring air resistance, a ball dropped from rest at altitude 250km strikes the ground with (a) 1500m/s (b) 2200m/s (c) 2800m/s
I
1 answer
567 views
A 65kg person's density is 990kg/m^3 with 2.4 L of air in lungs. What vol of air would the person have to expel to bring the
0 answers
583 views
For a 1.1 km radious cylinder, find the time for one revolution if "gravity" at the surface is to be 9/8m/s^2.
I changed 1.1km=
1 answer
348 views
The fastest major league pitcher throws a ball at 45m/s. If he throws the ball horizontally, how far does it drops vertically on
3 answers
876 views
Answers (5)
Oh I see! I got the formula correct but I multiply it wrongly¡Thanks a lot!
for time in air i got approx. .40s
Never mind i just used one rev=365 days and so on to get seconds...
So why did you used the equation Vx=Vox-gt for time, instead of the equation X= -1/2gt^2 + Voxt + Xo. I used the second one because of they gave me 18.4 which is the distance traveled in the x-axes? thanks!
16 ft what?? what do you mean by squad?
