A particle P of mass 1.6 kg is suspended in equilibrium by two light inextensible strings attached to points A and B. The strings make angles of 20 degress and 40 degress respectively with the horizontal (see diagram). Find the tensions in the two strings.

Ayaan Tirmizi

1 year ago

Geometrical cordinates

Deepa

1 year ago

As level

sese

1 year ago

five people are randomly selected from a group of 67 women and 33 men. find the probability that the selection consists of an odd number of women

(a):-
x=1: straight vertical line at x=1
y=2: straight horizontal line at y=2
x+y=5
y=5-x[Equation of the Line] y=5-1=4
y=5-2=3
y=5-3=2 y=5-4=1 y=5-5=0 y=5-6=(-1) And So On:-

1B 11

Here is a solved question of Complex Numbers

Here is a solved question of Complex Numbers

Here is a solved question of Complex Numbers

Here is a solved question of Complex Numbers

A particle P of mass 1.6 kg is suspended in equilibrium by two light inextensible strings attached to points A and B. The strings make angles of 20 degress and 40 degress respectively with the horizontal (see diagram). Find the tensions in the two strings.

Geometrical cordinates

As level

five people are randomly selected from a group of 67 women and 33 men. find the probability that the selection consists of an odd number of women

This must be done case-wise. Consider each possibility that has an odd number of women and add their probabilities.

Five people are selected.

So women can be selected either, 1, 3 or 5

Probability (selection consists of an odd number of women) = [1C67 * 4C33]/5C100 + [3C67 * 2C33]/5C100 + [5C67 * 0C33]/5C100

Calculate it using a calculator.

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Looking for A level Mechanics (9709) Notes , questions and answer .Teaching this syllabus fist time

+1

Hello, what is the answer for

1.

(a) On the grid, draw the lines x = 1, y = 2 and x + y = 5.

(b) Write R in the region where x≥1, y ≥ 2 and x + y ≥ 5.

(a):-

x=1: straight vertical line at x=1

y=2: straight horizontal line at y=2

x+y=5

y=5-x[Equation of the Line]

y=5-1=4

y=5-2=3

y=5-3=2

y=5-4=1

y=5-5=0

y=5-6=(-1)

And So On:-

a triangle will form on the graph which you can mark as R

Hiii

six