A positive test charge will accelerate toward regions of electric potential and electric potential energy.

Choose the appropriate answer combination to fill in the blanks correctly.

a. higher; higher
b. higher; lower
c. lower; higher
d. lower; lower

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.

What are the factors that affect the resistance of a wire?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?