Answer:

Explanation:
Four people standing on the ground each of mass and usually this questions have to find the final angular velocity

The radius 
Angular velocity 
The moment of inertia total is 
Momento if inertia


Angular momentum

Solve to w2



Answer:
Given the point of maximun electric power of the hair dryer 1500 (w); The circuit breaker won´t trip at all
Explanation:
The most simplyfied relation between power, voltage and current is:
Electric power (in watts) =Voltage (in volts) * current (in ampers)
In the case of P= 1500 (w) and V= 120 (v) we have:
I = 1500/120 (a) = 12,65 (a)
This value is far away of 20 (a) (the nominal trip current
Velocity of vw bug is given as
towards north
velocity of imphala is given as
towards south
now we need to find velocity of imphala relative to bug


so the speed is 101 mpH towards south so correct option is C
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