Car A has a mass of 2000 kg and is going 28 m/s east. Car B has a mass of 4000 kg and is going 13 m/s west.
What will be the momentum of both cars together after the collision?

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

Could someone . i have tried to solve myself but my calculation is off

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction