Watch the video of Henrietta slowly pushing the chair under the table. Which statement describes the change in motion if the mass of the chair were changed? (2 points) A:If the mass of the chair decreased, the force needed would decrease. B: If the mass of the chair increased, the force needed would decrease. C: If the mass of the chair decreased, an increased force would not move it. D: To keep the same motion, the force needed would stay the same when the mass of the chair is changed. Pl helppp

The dissociation energy of a molecule is the energy required tobreak apart the molecule into its separate atoms. the dissociationenergy for a particular molecule is 5.48 x 10-18 j.suppose that this energy is provided by a single photon. determinethe (a) wavelength and (b) frequency of the photon

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.