Missing an attached sheet with the sound waves. Please add the attached sheet so I can properly help.
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I have no clue sorry maybe try applying the answers and questions then I'll answer for u
Answer:8.968 N-m
Explanation:
Given
Length of arm=0.152 m
Downward force=118 N
angle made by arm with vertical
Force can be divided into two components
It's sin component will contribute towards torque while cos component will not contibute


T=8.968 N-m
Answer:
in the direction of the applied force
Explanation:
Kinetic energy=1/2mv^2
=1/2(142*10^-3)(42.9)^2=130.6=131J