Ralph pushes on a wagon and accelerates it at 6 m/s. What is the new acceleration of the wagon if: a) Ralph pushes with
twice as much force and the mass of the wagon is doubled?
b) Ralph pushes with three times as much force and the mass of the wagon is tripled?
c) Ralph pushes with three times as much force and the mass of the wagon is doubled?
d) Ralph pushes with twice as much force and the mass of the wagon is tripled?

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

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation

With physics question #5? for any !