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Problems Involving Motion - Word Problems:
How far can a car travelling at a rate of 52 miles per hour travel in 2½ hours?
Solution:
Using Equation 13:
s = vavt
s = (52 miles/hour)(2½ hours)
s = 130 miles
Example:
How long does it take a plane travelling at 650 miles per hour to go 1430 miles?
Using Equation 14:
s = (52 miles/hour) (2 ½ hours)
s= 130 miles
t = s/vav
t = 1430 miles/650 (miles/hour)
t = 2.2 hours
If secA= x+1/4x, prove that secA+tanA=2x or 1/2x. Ans: Sec? = x + 1/4x ⇒ Sec 2 ? =( x + 1/4x) 2 (Sec 2 ?= 1 + Tan 2 ?) Tan 2 ? = ( x +
Decision Trees And Sub Sequential Decisions A decision tree is a graphic diagram of different decision alternatives and the sequence of events like if they were branches of a t
Q. What is the probability of choosing a red ball? Ans. A box contains a red, blue and white ball. Two are drawn with replacement. (This means that one ball is selected, i
Example of division: Divide 738 by 83. Solution: Example: Divide 6409 by 28. Solution: Division could be verified through multiplying
a question
Write an octave program that will take a set of points {x k , f k } representing a function and compute the derivative at the same points x k using 1. 2-point forward di erence
shapes
how to count by 45s
A tower and a monument stand on a level plane. the angles of depression on top and bottom of the monument viewed from the top of the tower are 13 degrees and 31 degrees, respective
(a) The generating function G(z) for a sequence g n is given by G(z) = 1 - 2z/(1 + 3z)3 Give an explicit formula for g n . (b) For the sequence gn in the previous part co
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