Physics
first:- X=X1+0.5(Vx+V1x)t 140=0+0.5(20)t t=14s second:- a=v/t=20/14=1.43m/s2 F=m*a=1000*1.43=1430N to the south
Economics
i dont know the answer
Physics
35
Physics
30
Physics
5
chemistry
The hydrogen-ion concentration of a 0.25 M solution of HCN (Ka = 4.9 ´ 10-10) is I keep getting 1.1 *10^-5
chemistry
pls explain your answer Which of the following solutions would be expected to be the best conductor of an electric current at room temperature? a. 1.0 M CH3COOH b. 0.10 M CH3COOH c. 0.10 M CO(NH2)2 d. 0.10 M Na2SO4 e. 0.10 M NaCl thanks
Health Care
plz i need the answer
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