Math, 18.10.2019 10:00, mathmatics9898

# An electric fan rotates 100 times in 50 s. if the length of its wing from its axis of rotation is 0.5

m, then the speed of particle at the edge of the wing is

(a) 2 π m / s (b) 0.5 π m / s (c) π m / s (d) 2 m / s

and how

Answers: 1

Math, 18.08.2019 08:00, bhavya1650

If the roots of 4xcube - 12x square + kx -3=0 are in a. p then k=

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Math, 18.08.2019 12:00, anand7373

Aman on a cliff observes a boat at an anale of depression of 30° which is approaching the shore to the point immediately beneath the observer with a uniform speed. six minutes later, the angle of depression of the boat is found to be 60°. find the total time taken by the boat from the initial point to reach the shore

Answers: 2

Math, 18.08.2019 22:00, malikfaiz24

The overbridge at a road junction rises 1.5 m every 40 m on the horizontal level. the height of the overbridge at the highest level is 9 m. it is at the highest level for 40 m. then the bridge slopes down at the same rate. what is the length of the horizontal road on the ground covered by the bridge from the beginning to the end?

Answers: 1

An electric fan rotates 100 times in 50 s. if the length of its wing from its axis of rotation is 0....

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