# Problem: Blocks A and B are moving toward each other on a horizontal frictionless surface. Block A has mass 5.0 kg and is moving to the right with speed 8.0 m/s. Block B has mass 15.0 kg and is moving to the left with speed 4.0 m/s. The two blocks collide and stick together. After the collision, the combined object (mass 20.0 kg) has velocity A) 0.50 m/s to the left B) 0.50 m/s to the right C) 1.0 m/s to the left D) 1.0 m/s to the right E) 2.5 m/s to the left F) 2.5 m/s to the right G) none of the above answers

🤓 Based on our data, we think this question is relevant for Professor McCormick's class at Abraham Baldwin Agricultural College.

###### Problem Details

Blocks A and B are moving toward each other on a horizontal frictionless surface. Block A has mass 5.0 kg and is moving to the right with speed 8.0 m/s. Block B has mass 15.0 kg and is moving to the left with speed 4.0 m/s. The two blocks collide and stick together. After the collision, the combined object (mass 20.0 kg) has velocity

A) 0.50 m/s to the left

B) 0.50 m/s to the right

C) 1.0 m/s to the left

D) 1.0 m/s to the right

E) 2.5 m/s to the left

F) 2.5 m/s to the right

G) none of the above answers

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Inelastic Collisions concept. You can view video lessons to learn Inelastic Collisions. Or if you need more Inelastic Collisions practice, you can also practice Inelastic Collisions practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 1 minute and 54 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor McCormick's class at Abraham Baldwin Agricultural College.