Answer:
94.248 g/sec
Explanation:
For solving the total current of the blood passing first we have to solve the cross sectional area which is given below:
And, the velocity of blood pumping is 30 cm^2
Now apply the following formula to solve the total current
Q = 94.248 g/sec
Basically we applied the above formula So, that the total current could come
Answer:
Option C
Explanation:
Centripetal acceleration formula regarding velocity and radius is,
now we know the centripetal acceleration is 9 and the radius is 16 so we plug these values into our formula,
so velocity is 12 m/s
Now for the angular velocity, the formula of centripetal acceleration regarding angular velocity and radius is,
we know the centripetal acceleration is 9 and the radius is 16 so plug these values into the formula,
so angular velocity is 0.75 rad/s
The magnitude of the force is 18.6 N
Explanation:
The work done by a force on an object is given by
where
F is the magnitude of the force
d is the displacement of the object
is the angle between the direction of the force and of the displacement
For the block in this problem, we have
is the work done
d = 1.35 m is the displacement of the block
is the angle between the force and the displacement
Solving for F, we find the magnitude of the force:
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