4.If you walk along the ground. What is the action in the movement? Your foot indenting because of the pressure from the ground,
The ground pushing on your foot.
The ground sinking under the weight of your foot,
Your foot pushing the ground.

An object has a weight of 500 on earth what is the mass of this object

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).

From the perspective of an employee that effective channeling of work related information and concerns