Answer:
35.792 N
Explanation:
d = Diameter of rod = 2.7 cm
h = Length of rod = 81.7 cm
= Density of rod = 7800 kg/m³
g = Acceleration due to gravity = 9.81 m/s²
Volume of rod

Mass is given by

Weight is given by

The weight of the rod is 35.792 N
Answer:
a. The speed of the wave is 319.1m
b. The tension in the string is 41.74N
Explanation:
Please see the attachments below
The answer is A. 5 n up deals with balanced and unbalanced forces.
there are three picture with example and sentence