Question

Answer any
Wue
of
33. A Stone is tied to one end of a sting and coorded in a
horizontal ofrodium Im at 20 revolutions per minute
Calculate the angular Velocity and lemas, speed of the store also
find the Centri petai acceleration
​

Answer 1

Answer:

Length of String ( R ) = 50cm  

=> 0.5m  

Number of Revolutions in 20 seconds = 10  

Number of Revolutions in 1 second ( Frequency) = ½ Hz  

=> Now, the Angular Velocity w ( Omega) = 2πn  

=> 2 × 3.14 × 0.5  

=> 3.14_______.| 1 |    

▪Then , The Radial Acceleration is given by = w² × r  

[( Angular Velocity )² × Radius ]    

=> ( 3.14)² × 0.5  

=> 4.9 ms²  

Hence the Acceleration of the Stone is 4.9 ms^-2

Answer 2

Answer:

Hence the acceleration of the stone is 4.9 ms^