Homework Statement
It is a windless day at standard temperature and pressure. A golf ball of mass 45.5 grams and 4.25 cm diameter rests on a golf tee. It is hit by a golf club in an elastic collision with inclination pi/6 and force 16k Newtons. During flight, the air friction is 0.25 Newton...
Homework Statement
How much dcm3NH3would we get if 2 mole of N2 react with the same amount of H2
Homework Equations
I tried this n=V/Vm then get V=n x Vm then get 2 mole x 22.41 dm3 x mole -1then get 44.82 dcm3 but i don't now if it is right so any help would be great
The Attempt...
Homework Statement
the parametric equations of the motion are x=(t)^2m and y=(6t-1.5t^2)m i need to find the
velocity at the time moment of t=2s
Homework Equations
The Attempt at a Solution
so this are the four solutions v=o,v=2m/s,v=4m/s,6m/s .
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