Which physical properties can be used to identify an unknown material?

choose all answers that are correct.

a.
ability to rust

b.
malleability

c.
weight

d.
thermal conduction

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?