4 Two beakers, X and Y, contain water at the same temperature. Beaker X contains 50 cm3 water. Beaker Y contains 100 cm3 water. a. Explain how the average energy of the particles in beakers X and Y compare.
b. Explain how the heat of the water in beakers X and Y compare.

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

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