The dipole moment of the water molecule(h2o)is6.17×10−30c⋅m. consider a water molecule located at the origin whose dipole moment, x=3.00×10−9 meters, points in the positive푥direction. a chlorine ion(cl−), of charge−1.60×10−19c, is located at푥=3.00×10−9m. assume that this푥value is much larger than the separationbetween the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used. what is the magnitude of the electric force that the water molecule exerts on the chlorine ion?

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min