Aparna

This page lists questions and answers that were posted by visitors named Aparna.

Questions

The following questions were asked by visitors named Aparna.

What is the scientific principle involved in unmanned level crossing?

Given the curve x^2-xy+y^2=9 A) write a general expression for the slope of the curve. B) find the coordinates of the points on the curve where the tangents are vertical C) at the point (0,3) find the rate of change in the slope of the curve with respect...

Let f be the function be defined by f(x)=5^((2x^2)-1)^(1/2) find the range of f without using a calculator

The function f is defined by f(x)= (25-x^2)^(1/2) for -5 less than or = x less than or = 5 A) find f'(x) B) write an equation for the tangent to the graph of f at x=3 C) let g be the function defined by g(x)= (f(x) for -5<or=x<or=-3)and (x+7 for -3<or=x<o...

range of f(x)= 5^(2x^2-1)^(1/2) i know that the domain of the inverse would be the range of this and i've found the inverse but it has natural logs in it and i don't know how to find the domain with that.. i feel like i'm missing something simple

Find the terminal velocity of a raindrop of diameter 3mm when it fall through atmospheric air (Appointment and is 249.7m/s)

Answers

The following answers were posted by visitors named Aparna.

(A)Speed = 8m/s (B)u=8m/s v=0m/s a=g=9.8m/s2 Use v=u-gt 0=8-9.8t 9.8t=8 t=8/9.8 But this is the time required by the tennis ball to reach the highest point. Time taken by the ball to return to the starting point=2t =2*8/9.8 =8/4.9 =1.632s

they drew a diagram for it and Q is actually on the left side of the graph making the line L an upward slant, and yes i meant "write"

12, because there is 1 mole of c6h12o6 and 2 moles of o2 so you have a 1:2 ratio

i found A and B, just checking if they're right. C i can never remember how to do these. D i haven't tried yet but i could probably figure out but i figured since i was putting the rest up i would do it as well

never mind i figured it out

-.1x-1>.4 -.1x>1.4 x<14 dividing/multiplying negatives switches the sign

the pie is 360 degrees divide that by 10 peices it gives you 36 degrees per slice 3 slices left times 36 degrees is 108 degrees

3(x-2/3)=-10 (x-2/3)=-10/3 x=-8/3

4x=x+78 4(20)=20+78 80=98 no i did guess and check 4(26)=26+78 104=104

x+(x-14)=300 2x-14=300 2x=314 x=157

The answer should be 0.0457 L

Sorry to say but this was not helpful... Because this answer is not with full explanation so it was very difficult to understand