If the strength of the magnetic field at b is 3 units, the strength of the magnetic field at a is a. 6 units b. 9 units c. 12 units d. 13 units

The de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ. recall that wave number is defined by k=2π/λ. using the fact that λ=v/f, find the wave numbers k1 and k2 corresponding to frequencies f1 and f2. express your answer as two expressions

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?