When the track is covered with the cloth, will the cart's braking distance become longer or shorter?

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

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island