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1. ### Two charges are placed on the x axis. One of the the charges (q1=+8.5µC) is at x1=+3.0 cm and the other (q2= -?

a) x = 0 cm is 3 cm left of 8.5 µC charge, and 9 cm left of the -21...the negative charge (to the right). So subtract these values. b) x = 6 cm is 3 cm to the right of the + charge, and 3 cm to the left of the - charge...

1 Answers · Science & Mathematics · 20/09/2012

2. ### cms to feet & and inches?

151 cm in ft & in: = 151/(2 27/50) in = 151/(127/50) in = 151(50/127) in = 7,550/127 in = 59 57/127in = 4 ft (59 57/127 - 4) in = 4 ft (59 57/127 - 48) in = 4 ft 11 57/127 in Answer: 4 feet 11.4488 24/127 inches

3 Answers · Science & Mathematics · 09/08/2009

3. ### The length of a rectangle is fixed at 20 cm.?

... = 2(l+w) You want the perimeter to be greater than 76 cm, so: 2(l+w) > 76 2(20+w) >76 40+2w > 76 Subtract 40 from...

1 Answers · Science & Mathematics · 15/04/2010

4. ### What is the rate of change of the volume of the snowball when the diameter is 10 cm?

...desire to know dv/dt and you know dD/dt is -.1 cm/min how do you relate dv/dt with dD/dt dv/dt = ...rate of change of the volume is [-pi(10)^2]/20 = -5pi cm^3/min Hope that's right i rushed through...

2 Answers · Science & Mathematics · 15/12/2011

5. ### Find the area of the largest rectangle that can be inscribed in a right triangle with legs of lengths 4 cm a?

Let the side along 4 cm have dimension x and the other side be y. We have (4-x)/4 = y/5 or 20 -5x...0 or 4y - 5x = 0 --------------- 4 Adding 1 and 4 we get 8y = 20 or y = 2.5 cm and x = 2 So the largest area = 2*2.5 = 5 cm^2 [Just to make...

3 Answers · Science & Mathematics · 28/10/2012

6. ### how do u convert m to cm?

...l example: C aused ------- centimetre l 5m=_cm M easles ------- millimetre v 5x100= 500cm...

10 Answers · Science & Mathematics · 26/05/2007

7. ### If A CLOSED box has a square base and a volume of 100 cm^3 and is constructed from a tin sheet, use calculus to find the dimensions of the b?

...subject to the constraint that the volume of the box is 100 cm^3. Let x = the length of each of the sides of...subject to the constraint that the volume of the box is 100 cm^3 are approximately: Length = 4.6415888 cm ...

1 Answers · Science & Mathematics · 30/03/2014

8. ### Two circles each have radius 5 cm, and their centres 8 cm apart (see figure). Find the total area covered by t?

Q "Two circles each have radius 5 cm, and their centres 8 cm apart (see figure). Find the total area...areaoverla.png AC = 8 cm, and E is the midpoint. ∴ AE = 4 cm Using Pythagoras with rt.∆AEB, where AE = 4, ...

4 Answers · Science & Mathematics · 07/12/2010

9. ### Convert a speed of 391 cm/s to unit of inches per minute.?

= 391 cm/s = 391 * (1 cm) / (1 s) → you know that: 1 in = 2.54 cm → 2.54 cm = 1 in → 1 cm = (1/2.54) in = 391 * [(1/2.54) in] / (1 s) = (391/2.54...

2 Answers · Science & Mathematics · 17/02/2017

10. ### Which of the following lengths is longer than 12 cm?

12 cm = 120 mm = 0.12 m = 1.2 x 10^1 cm So the answer to your first question is D = 0.18...

4 Answers · Science & Mathematics · 15/06/2010