The largest and the smallest balls used in the experiment are with diameter 9.52 mm, and 2.38 mm respectively. for a glycerin with viscosity 1.0 pa. s, what is the time necessary for each ball to reach a velocity 95% of the terminal velocity? density of the ball material is given in the text. round the result to three decimal places.

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

What is the technical name for super glue type adhesives?

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?