Which of the following is true about wedges? Wedges are a type of screw.

Wedges are a type of inclined plane.

Wedges are a type of ramp.

Wedges are a type of lever.

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

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 of the following is not am example of a polymer? protein nylon kevlar concreta