A motorist traveling at 70 ms^-1 passes a police man who immediately accelerates to catch the motorist. If the policeman catches the motorist in 16 seconds, what is the policeman's acceleration?​

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?

A10-kg isto a of 10 m at aa0.9 kg/m.30 kg of ,at aas10-m .. ( 9.8 m/s2 g.)