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Answer:
a) initial position = 10m
b) average velocity = 30m/s
Explanation:
The general equation of a motion with constant velocity is given by:
(1)
So: initial position
v: average velocity
t: time
You have the following equation:
(2)
If you compare the equations (1) and (2) you obtain that:
hence:
a) initial position = 10m
b) average velocity = 30m/s
3 hours and 30 minutes.Tell Juan to get a life.
Answer:
Work done, W = 255.21 J
Explanation:
It is given that,
Rotational inertia of the wheel,
Angular displacement,
Initial angular velocity,
Final angular velocity,
Firstly finding the angular acceleration of the wheel using the equation of rotational kinematics as :
Work done by the torque is given by :
W = 255.21 J
Out of given options, the correct option for the work done by the torque is 255.21 J. Hence, this is the required solution.