Which of the following does not affect the period of a pendulum? O A. the length of the string
O B. the mass of the pendulum bob
C. the free-fall acceleration at the pendulum's location
D. All of the above affect the period.

Un jugador de beisbol batea un foul recto en el aire.la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

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