After a collision, the y-component of momentum of a car is 4.50 meters/second, and the x-component of its momentum is 9.80 meters/second. what is the magnitude of its resultant momentum after the collision?

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

What are two different ways you could find the value of a? explain these methods.

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?