Answer:
0.186 N-m
Explanation:
mass of the grindstone, 
radius, 
Frequency, 
time, 
final angular velocity, 
Initial angular velocity,

Angular acceleration of the grind stone is:

Moment of inertia:


Torque exerted by the ax on the grind stone is:

It depends on A) how fast the wire vibrates because sound is produced by vibration
I think the answer is c but I’m not sure
Answer:
Here are some examples of tropism in plants : Sunflowers are one of the best examples of positive phototropism , as they always grow facing the sun.
Explanation:
Although some experts consider that perhaps such a clear growth movement should not be considered tropism.