A 0.40 kg object is moving on a frictionless surface with a speed of 30 m/s. A force of 2.0 N is
applied continually until the velocity of the object
has been reversed. How long was the force
applied?

1. in terms of fuel economy rank the following hybrid and electric vehicles, and justify application specific to each hybrid technology stop/start | mild hybrid | full hybrid | plug-in hybrid | full electric a. rank based on fuel economy b. justify your application specific for each technology

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?