A student is doing the collision lab. The red cart has a mass of 1 kg. The blue cart has a mass of 2 kg. The red cart starts with a velocity of +7 m/s. The blue cart starts with a velocity of -2 m/s. This is an inelastic collision. what is the total momentum of the system after the collision

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive