Afather and his seven-year-old daughter (who have different masses) are facing each other on ice skates. with their hands, they push off against one another. which one or more of the following statements is (are) true?
(a) each experiences an acceleration that has a different magnitude.
(b) each experiences an acceleration of the same magnitude.
(c) each experiences a pushing force that has a different magnitude.
(d) each experiences a pushing force that has the same magnitude.

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?

Which of the following is the best name for mgcl2

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.