Answer:
1. 1 hour and 45 mins
2. 3 hours and 25 mins
3. 3 hours and 45 mins
4. 3 hours and 15 mins
5. 3 hours and 30 mins
Step-by-step explanation:
You can subtract the 2x to make it -y=-2x-2 and add the x to make it -2y=x+4. for elimination method multiply the equation (-2)-y=-2x-2. Hope this helps. You can also do substitution method
As my experience we all need a compass
The disk spins at a constant number of revolutions per second. This means, the angular velocity is constant.
We know that,
Linear velocity = r x Angular Velocity
where r is the radius.
So, for a given angular velocity, larger value of r will have larger Linear velocity. Since the value of r at point B is more than at point A, the value of Linear velocity will be more at point B.
So, the correct answer is option C
