Kathryn was in a minor car accident while driving her sister to school six months ago. Since then, she experiences anxiety whene
2 answers:
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Answer:
p=1
Explanation:
Well me know that v=m/s
and that a=m/s^2
so
Note: We don't take into account 2 because it's a scalar, it doesn't have units so it doesn't add anything to the equation.
Answer:
The force exerted by the biceps is 143.8 kgf.
Explanation:
To calculate the force exerted by the biceps, we calculate the momentum in the elbow.
This momentum has to be zero so that her forearm remains motionless.
Being:
W: mass weight (6.15 kg)
d_W= distance to the mass weight (0.425 m)
A: weight of the forearm (2.25 kg)
d_A: distance to the center of mass of the forearm (0.425/2=0.2125 m)
H: force exerted by the biceps
d_H: distance to the point of connection of the biceps (0.0215 m)
The momemtum is:
The force exerted by the biceps is 143.8 kgf.
