Wednesday
September 17, 2014

Posts by Zawng


Total # Posts: 5

Physic: Projectile Motion
a soccer player shoots a soccer ball at the opposing goal from 15 m away. If the ball leaves his foot at an angle of 20(degree) with the ground, what must its initial velocity be if it enter the goal 2.0 m above the ground?
November 26, 2013

Physic: Projectile Motion
a soccer player shoots a soccer ball at the opposing goal from 15 m away. If the ball leaves his foot at an angle of 20(degree) with the ground, what must its initial velocity be if it enter the goal 2.0 m above the ground?
November 26, 2013

Chemistry AP
Thank You Very Much... It help me completely understand how to get the answer... Thank You...
November 7, 2013

Chemistry AP
Each response gives a pair of solutions. Which pair of solutions should conduct electrical current equally well? 1. 0.10 M NH3 and 0.10 M NH4Cl 2. 0.10 M NaNO3 and 0.10 M HNO2 3. 0.10 M HBr and 0.10 M HF 4. 0.10 M NaCl and 0.10 M NaClO4 Please help... I would also would like ...
November 7, 2013

Chemistry
A 28.4378 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 17.6846 g. ...
September 10, 2013

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