True Kinetic friction is affected by the weight of the object
Answer:
A(47
B(98
Explanation:
i just did it and got it correct
Answer:
The rate at which work is done is power
The maximum pressure variations the human ear can withstand above and below atmospheric pressure is around 30 pa. the normal atmospheric pressure is around 101325 pa. hence the variation in the maximum pressure for human ear is very small as compared to the atmospheric pressure. if the ear is exposed to a pressure greater than this , it can cause permanent damage to the ear.
