Zawng

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 w...

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?

Thank You Very Much... It help me completely understand how to get the answer... Thank You...