Question

Reema was looking at the ceiling fan of her room.
She was seeing it very keenly to find some information regarding it.
As the fan has three wings as shown in the figure.
The length of each wing is 0.9 m and the fan is moving in the anticlockwise direction Now, on the basis of this information, answer the following questions:
On moving one complete round, what is the area covered by the fan?
a) 1.5 m2 b) 3 m? c) 4 m? d) 3.7 m2
46) What is the length of are between two consecutive wings?
a) 2.05 cm b) 1.78 cm c) 0.51 cm d) 1.55 cm 47) What is the area of the sector between the 2 wings?
a) 0.75 cm? b) 1.03 cm2 c) 0.81 cm? d) 1 cm? 7
48) If the radius of a circle is7/2√π then find its area:
a 7cm² b) 49 cm² c) 52 cm² d) 28cm²​

Answer 1

Answer:

Angular velocity downwards, angular acceleration upwards

Step-by-step explanation:

Answer 2

Answer:

2.05 cm 1.78 cm 0.51cm 1.55 cm