Answer :
Answer:
A. 9.84 rad/sec or
= 93.93 rev/min
B. 12 turns.
Explanation:
ωf = ω° + αt
Where,
t = 10s
ω° = initial speed in rad /s
= 50 rev/min(rpm)
Converting rpm to rad/sec,
50 * 2π/60
= 5.236 rad/s
α = angular acceleration = 0.46 rad/s^2
ωf = final angular velocity
ωf = 5.236 + 0.46*10sec
ωf = 9.84 rad/sec or
= 93.93 rev/min
B.
θ = ω°*t + 1/2*(α*t^2)
Where,
θ = angular displacement in rad.
θ = 5.236 * 10 + 0.5 * 0.46 * (10)^2
= 52.36 + 23
= 75.36 rad n turns
= 75.36/2π
= 12 turns
The number of revolutions of the bicycle wheel is 50 revolutions.
What is angular speed?
The angular speed of an object is the angular displacement of the object per a given time.
The given parameters;
- Angular speed = 50 rev/min
- Angular acceleration = 0.46 rad/s²
The angular speed of the bicycle wheel is 50 revolutions per min
Thus, we can conclude that the number of revolutions of the bicycle wheel is 50 revolutions.
Learn more about angular speed here: https://brainly.com/question/6860269