An object of unknown mass, moving east with a momentum of 200.0 kg·m/s initially, experiences an impulse of 100.0 N·s delivered to it by a force due South. Find the object’s final momentum (both magnitude and direction).

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

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?

Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”