What impulse occurs when an average force of 7.0 n is exerted on a cart for 2.5 s ?

express your answer to two significant figures and include the appropriate units.

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

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2