which of the following is not a barrier to physical activity it is fear of injury I think.
It reaches 10 or 20 million degrees kelvin but it can get as high as 10 million degrees kelvin
Answer:
The force of gravity exerts a downward force. The floor exerts an upward force. Since these two forces are of equal magnitude and in opposite directions, they balance each other.
Answer:
it means that velocity of a body rises by 9.8m/s each second if the air resistance is nrelated
mark me