# Problem: A meter stick can be balanced by placing a support at the 50.0-cm mark. If a mass of 50.0 g is attached to the stick at the 90.0-cm mark, the stick can be balanced by placing a support at the 61.3-cm mark. What is the mass of the meter stick? NOTE: 'g' here is grams. A) 32.6 g B) 178 g C) 73.4 g D) 89.7 g E) 127 g

🤓 Based on our data, we think this question is relevant for Professor Efthimiou's class at UCF.

###### Problem Details

A meter stick can be balanced by placing a support at the 50.0-cm mark. If a mass of 50.0 g is attached to the stick at the 90.0-cm mark, the stick can be balanced by placing a support at the 61.3-cm mark. What is the mass of the meter stick? NOTE: 'g' here is grams.

A) 32.6 g

B) 178 g

C) 73.4 g

D) 89.7 g

E) 127 g

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 Intro to Center of Mass concept. You can view video lessons to learn Intro to Center of Mass. Or if you need more Intro to Center of Mass practice, you can also practice Intro to Center of Mass practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Jeffery took 4 minutes and 44 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 Efthimiou's class at UCF.