3.35 hours is 3 hours and 21 minutes.
3.35 hours is also equivalent to 201 minutes and 0 seconds or 12060 seconds.
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Answer:
Step-by-step explanation: First find angle 2. 180-59= 121 angle 1 and 2 are equal so their sum must be
242
Answer:
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Step-by-step explanation:
Answer:
3676.44 rad/min
Step-by-step explanation:
It is a problem about the angular speed of the car's wheel.
You can calculate the angular speed by using the following formula, which relates the tangential speed of the wheels (the same as the speed of the car) with the angular speed:
( 1 )
v: speed of the car = tangential speed of the wheels = 47mph
r: radius of the wheels = 27/2 in = 13.5 in
you change the units of the speed:

next, you replace the values of v and r in the equation (1):

Then, the car's tires are turning with an angular speed of 3676.44 rad/min
On the right side, there are
• 2•2 = 4 atoms of Nb
• 2•5 = 10 atoms of O
so among the reactants on the left, the reaction is balanced as
4 Nb + 5 O₂ → 2 Nb₂O₅