Physics Physics Practice Problems Solutions Library

# Intro to Center of Mass Solutions Library

Access 24 Intro to Center of Mass video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Intro to Center of Mass learn videos.

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24 solutions

Intro to Center of Mass

#### Q. What is the x coordinate xcm of the center of mass of the system shown in the figure? described in Part D?Express your answer in terms of L.

Solved • Jul 17, 2020

Intro to Center of Mass

#### Q. Consider a system of two blocks that have masses m1 and m2 . Assume that the blocks are point-like particles and are located along the x axis at th...

Solved • Jul 13, 2020

Intro to Center of Mass

#### Q. A. Find the coordinates of the center of mass. Find the x-coordinate. Find the y-coordinate.B. Find the moment of inertia about a diagonal axis tha...

Solved • Jul 13, 2020

Intro to Center of Mass

#### Q. Consider a system consisting of three particles: m1 = 2 kg, v1  &lt; 10, -5, 12 &gt; m/s m2 = 9 kg, v2 &lt;- 14, 3, -3&gt;m/s m3 = 2 kg, v3 &lt;- 2...

Solved • Jul 9, 2020

Intro to Center of Mass

#### Q. Consider a system consisting of three particles: m1 = 2 kg, v1  &lt; 10, -5, 12 &gt; m/s m2 = 9 kg, v2 &lt;- 14, 3, -3&gt;m/s m3 = 2 kg, v3 &lt;- 2...

Solved • Jul 9, 2020

Intro to Center of Mass

#### Q. Consider a system consisting of three particles: m1 = 2 kg, v1  &lt; 10, -5, 12 &gt; m/s m2 = 9 kg, v2 &lt;- 14, 3, -3&gt;m/s m3 = 2 kg, v3 &lt;- 2...

Solved • Jul 9, 2020

Intro to Center of Mass

#### Q. Three odd-shaped blocks of chocolate have the following masses and center-of-mass coordinates: (1) 0.300kg , (0.300m , 0.400m ); (2) 0.400kg , (0.1...

Solved • Jul 1, 2020

Intro to Center of Mass

#### Q. Consider a system consisting of three particles: m1 = 2 kg, v1  &lt; 10, -5, 12 &gt; m/s m2 = 9 kg, v2 &lt;- 14, 3, -3&gt;m/s m3 = 2 kg, v3 &lt;- 2...

Solved • Jul 1, 2020

Intro to Center of Mass

#### Q. The blocks shown can only move along the  x-axis.(a) Their velocities at a certain moment are  v1  and  v2 . Find the velocity of the center of mas...

Solved • May 27, 2020

Intro to Center of Mass

#### Q. Find the y-coordinate.Express your answer to two significant figures and include the appropriate units.

Solved • May 25, 2020

Intro to Center of Mass

#### Q. Find the x coordinate x_cm of the center of mass of the system of particles shown in the figure.

Solved • May 21, 2020

Intro to Center of Mass

#### Q. Find the coordinates of the center of mass. Find the x-coordinate.Express your answer to two significant figures and include the appropriate units.

Solved • May 19, 2020

Intro to Center of Mass

#### Q. The three masses shown in the figure are connected by massless, rigid rods. Assume that m1 = 170 g and m2 = 310 g.A.) What is the x-coordinate of t...

Solved • May 19, 2020

Intro to Center of Mass

#### Q. Calculate the center of mass of the object below. Assume the mass is uniformly distributed.

Solved • Apr 24, 2020

Intro to Center of Mass

#### Q. (a) Find the  x-coordinate  xcm  of the system's center of mass. Give your answer in terms of  m1,  m2,  x1, and x2.(b) If  m2  &gt;&gt;  m1 , then...

Solved • Apr 8, 2020

Intro to Center of Mass

#### Q. (a) How far is the center of mass of the Earth-Moon system from the center of the Earth? (Appendix C gives the masses of the Earth and the Moon and...

Solved • Apr 7, 2020

Intro to Center of Mass

#### Q. The masses of the Earth and Moon are 5.98×1024 kg and 7.35×1022 kg , respectively, and their centers are separated by 3.84×108 m. Where is the CM o...

Solved • Nov 12, 2018

Intro to Center of Mass

#### Q. A uniform piece of sheet metal is shaped as shown in the figure. Compute the x and y coordinates of the center of mass of the piece.

Solved • Oct 24, 2018

Intro to Center of Mass

#### Q. A croquet mallet balances when suspended from its center of mass, as shown in the figure(above). If you cut the mallet in two at its center of mass...

Solved • Jun 6, 2017

Intro to Center of Mass

#### Q. A projectile fired into the air suddenly explodes into several fragments. What can be said about the motion of the center of mass of the system mad...

Solved • May 17, 2017

Intro to Center of Mass

#### Q. Three balls with masses of 5 g, 1 g, and 6 g, respectively, are connected by massless rods. The balls are located as shown in the figure. What are ...

Solved • Apr 3, 2017

Intro to Center of Mass

#### Q. 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...

Solved • Mar 6, 2017

Intro to Center of Mass

#### Q. Two metal spheres are connected by a light, 15 cm rod. One sphere has a density of 1500 kg/m3 and a radius of 10 cm, the other has a density of 220...

Solved • Feb 28, 2017

Intro to Center of Mass

#### Q. Where is the center of mass of the Earth – Sun system located? A) Just outside the surface of the Sun. B) Halfway between the Earth and Sun. C) ...

Solved • Dec 22, 2016