You pull a 48 kg child in a wagon by pulling with a force of 187 N along the handle which is at 12 degrees above the horizontal. If the wagon moves at a constant velocity of 3.8 m/s, what is the coefficient of kinetic friction between the
wheels and the sidewalk?

The plum pudding model of the atom state that ?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.