A 5.0-kg box is given a brief push and travels 5.0 m up a plane that makes an angle of 30.0 A 5.00 x 10° N crate is at the top of a 5.00 m ramp. which is inclined at 20.0° with the horizontal. What is its potential energy? (g- 9.81 m/s?)
855 J
c. 815 J
b. 2350J
d. 8390 J

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

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 what direction does an applied force move an object