Astronauts on a distant planet set up a simple pendulum of length 1.3 m. The pendulum executes simple harmonic motion and makes 100 complete oscillations in 238 s. What is the magnitude of the acceleration due to gravity on this planet

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2