El choque real que se da entre las bolas en el péndulo de Newton es ?
-Perfectamente elástico.
-Inelástico.
-Casi inelástico.
-Aproximadamente elástico.

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?