A firefighter of mass 31 kg slides down a vertical pole with an acceleration of 4 m/s^2 The acceleration of gravity is 10 m/s^2

What is the friction force that acts on him?
Answer in units of N.

There is no graph to look at on here, but i shall explain them to you. a line graph is just in its title it’s a graph with a line running through the dots to show an increase or decrease. a bar graph is used to show how much or how little something is so a comparison. a scatter plot is used to graph points to tell the data. and i don’t know what a histogram is.

The answer which is not a detail carson used to describe the pool in the cave at low tide is b.  hundreds of periwinkles browse the branches and roots of the trees. 

Answervery high orbital velocities in a very compact region;