Asubcompact car, mass 1,000 kg, runs into and sticks to an at-rest, 2,200 kg suv. if their final speed is 4.7 m/s, what was the smaller car's initial speed?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

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?

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.