Question

#hey dude


#solve these questions

Answer 1

#hey dude


#see the attachment

Answer 2

Explanation:

Given that,

revolution per second = 5

1 revolution = 2π

so,

5 revolution = 5 × 2π

= 10 π

so,

angular displacement = 10 π

in 1 second

so,

angular velocity(w) = 10 π rad/s

given radius = 0.4 m

so,

v = rw

v = 0.4(10)

v = 4 m/s