Logan observes a paramecium under a microscope. the eyepiece of the microscope has a horizontal scale marked in mm. the paramecium starts at the 65 mm mark and ends up at the 39 mm mark.
what is the paramecium's displacement? express your answer with appropriate units.

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90