07:02Perfectly elastic collision in center of mass reference frame, one dimensional collision.Zak's Lab300views
08:33Center of mass vector in 2D and center of mass components + 2 dimensional center of mass example.Zak's Lab186views
Textbook Question(I) The distance between a carbon atom (m = 12 u) and an oxygen atom (m = 16 u) in the CO molecule is 1.13 x 10⁻¹⁰ m . How far from the carbon atom is the center of mass of the molecule?15viewsHas a video solution.
Textbook Question(I) The cm of an empty 1750-kg Jeep is 2.40 m behind the front of the Jeep. How far from the front of the Jeep will the cm be when two people sit in the front seat 2.80 m from the front of the Jeep, and three people sit in the back seat 3.90 m from the front? Assume that each person has a mass of 65.0 kg.8viewsHas a video solution.
Textbook Question(II) A uniform thin wire is bent into a semicircle of radius R. Determine the coordinates of its center of mass with respect to an origin of coordinates at the center of the “full” circle.18viewsHas a video solution.
Textbook Question(II) A 52-kg woman and a 72-kg man stand 8.6 m apart on nearly frictionless ice.(a) How far from the woman is their cm?14viewsHas a video solution.
Textbook Question(II) A thin 7.0-kg wheel of radius 34 cm is a uniform disk and is weighted to one side by a 1.50-kg weight, small in size, placed 24 cm from the center of the wheel. Calculate(a) the position of the center of mass of the weighted wheel and20viewsHas a video solution.
Textbook Question(II) Find the center of mass of the ammonia molecule. The chemical formula is NH₃ . The hydrogens are at the corners of an equilateral triangle (with sides 0.16 nm) that forms the base of a pyramid, with nitrogen at the apex (0.037 nm vertically above the plane of the triangle).7viewsHas a video solution.
Textbook Question(II) The masses of the Earth and Moon are 5.98 x 10²⁴ kg and 7.35 x 10²² kg, respectively, and their centers are separated by 3.84 x 10⁸ m. (a) Where is the cm of the Earth–Moon system located?6viewsHas a video solution.
Textbook Question(III) A huge balloon and its gondola, of mass M, are in the air and stationary with respect to the ground. A passenger, of mass m, then climbs out and slides down a rope with speed v, measured with respect to the balloon. With what speed and direction (relative to Earth) does the balloon then move? What happens if the passenger stops?9viewsHas a video solution.