A gondola can carry 20 skiers, with a total mass of up to 2170 kg . The gondola ascends at a constant speed from the base of a mountain, at 1740 m , to the summit at 3855 m . help a b and c please

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

How does an observation about an object differ from an inference about that object

What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?