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Could someone give be a breif explanation of Canada's 100 days. Everywhere I go there is a long essay thing, could you sum it up for me in a paragraph so I can understand it please.

The thermoshpere is 415 km deep. Calculate the percent of the atmosphere made up by the thermosphere if the total atmospehere extends 500 km.

if 40.0 ml of 11.25 M KNO3 is used to make a 7.55 L aqueous solution, what is the molarity of the solution

The coefficient of static friction between a rubber tire and a wet road is 0.443. a) On this surface, what is the maximum safe speed of a car going around a level, unbanked circular track of radius 250 meters? b) How long would the car take to go once aro...

A tire of radius 34.3 cm turns at 575 rpm. a) What arc length does a point on the tread of the tire travel in 1.00 minute (answer in radians)? b) What is the angular speed of the tire in rad/sec? c) There is a valve-stem located 23.5 cm from the center ax...

A stone is whirled at the end of a string. It moves at constant speed in a circle of radius 106 cm, making a complete circle once every 1.38 seconds. What is the centripetal acceleration of the stone?

Thanx

944-125=819 819/13 N=63

Dr.Bob222 is right.