The material of brake is being turned and it is found their the dynamic coefficient of friction between the material and sheel is 0.91. Calculate the normal force when the frictional force is 0.728KN​

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant