An ant lives on the surface of a cube with edges of length 7cm. It is currently
located on an edge x
cm from one of its ends. While traveling on the surface of the cube,
it has to reach the grain located on the opposite edge (also a
t a distance xcm from one of its ends)
.
(i) What is the length of the shortest route to the grain if x = 2cm? How many routes of
this length are there?
(ii) Find an x for which there are four distinct shortest length routes to the grain.
Terry is buying juice. He needs 3 L. A half liter of juice cost $2.39. A 250 mL container of juice c Play needs 3 L. A half liter of juice cost $2.39. A 250 mL container of juice costs $1.69.What should Terry buy so he gets 3 Liters at the lowest price? Explain
The waveform of a voltage in an electrical circuit has the following parameters:
A continuous series of right-angled triangles, each with a base length equivalent to 3 ms, 9 V maximum
-Voltage ramps up over the 3 ms and then drops back to zero instantaneously
-Sketch the waveform and mark on the relevant parameters.
-Derive the function which defines the waveform.
-Using integral calculus, find the RMS value of the voltage.
The acceleration of a sliding component in a packaging machine is given by the following expression: (d^2 s)/(dt^2 ) =12t+3
Let Xi belongs to R such that 0<X1≤X2≤X3..........≤Xn, n≥2 And 1/1+X1+1/X2+......+1/1+Xn=1.Then show that __ __ __
. /X1+ /X2.....+/Xn ≥ (n-1)
__ __
{1//X1+....+1//Xn}
.
Determine the spacing h in a table of equally spaced values for the function
f(x)= (2+x)^4, 1<=x<=2, so that the quadratic interpolation in this table satisfies |error| <=10^-6