Một proton chuyển động với tốc độ 7,7*107 m/s theo hướng vuông góc với một từ trường đều. Nếu độ lớn gia tốc của proton là 1,4*1012 m/s2 thì độ lớn của từ trường là:

It is may 5 and you are somewhere in the northern hemisphere. if you determine that the noon sun is 51 degrees above your southern horizon, what is the latitude of your location

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia