Suppose two worlds, each having mass M and radius R, coalesce into a single world. Due to gravitational contraction, the combined world has a radius of only 2. What is the average density of the combined world as a multiple of Po, the average density of the original two worlds? Po

Q: True or False? As mass of a substance increases, the density increases? Explain.

A: True Reason According to the statement if mass of the object increases then its density increases.…

Q: Suppose you have a coffee mug with a circular cross section and vertical sides (uniform radius).…

A:

Q: You have an 18-carat gold coin (an alloy of gold and copper). Its mass is 6 grams. Using the fact…

A: Given: Mass of gold coin =6 grams Density of pure gold =19300 kg /m3 Density of copper =8960 kg /m3

Q: To first approximation, we can ignore the flow of blood through the human circulatory system and…

A:

Q: Given the average heart rate of a human is 7.00 beats per minute and the average volume flow of…

A:

Q: A rain gauge consists of a funnel with a diameter D = 10 cm that collects rain and deposits liquid…

A: The density of a fluid is a scalar quantity that means it has only the magnitude and no direction to…

Q: A toy duck is floating on the water. The average density of the duck is ρd = 680 kg/m3, while the…

A: Given data:  The average density of the duck (ρd) = 680 kg/m3 Density of water (ρ) = 1.0×103 kg/m3…

Q: An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has…

A:

Q: Question: Some oil is passing through a tube of length w and radius r. The pressure difference…

A:

Q: You are handed a bat that is 6 times as dense on one side as it is on the other side, and 3 times as…

A: Given that:The bat is 6 times as dense as other side. The bad is 3 times as dense as least dense…

Q: Suppose two worlds, each having mass M and radius R, coalesce into a single world. Due to…

A: Given: Mass of two worlds =  M Radius of two words = R Density of two words = ρ0 Radius of the…

Q: What is the density (in g/cm3)

A: Given data: The  mass of rock is: mr = 260 g The volume of fluid displaced is: Vf = 75 cm3 The…

Q: Neutron stars are some of the densest objects in the universe. They form during supernova ex-…

A: Given:-  The Density of the Neutron is 5 x 1017 kg/m3 The mass of the earth  is M = 5.97 x 1024 kg…

Q: surface area to volume

A: True

Q: A cube of material has sides 1 unit, and variable density which is given by p(х, у, 2) — 3+ 4xy – z,…

A: Solution-

Q: 6. If the length of a string increases 2 times but the mass of the string remains constant, the new…

A: Length of a string increases 2 times initial length. Mass of string remains the same. Find: New…

Q: estion 10 A piece has mass of 57.41 g and volume of 36.2 cm3. The density of the piece in kilogram…

A: We know that Density= mass/volume

Q: A solid rubber ball has a radius of 18 centimeters. What is its volume in m3? V = m3 %3D Hard rubber…

A:

Q: A future rectangular ship (tanker) filled with oil. If the dimensions of the ship are (250 m) long,…

A:

Q: A cube 6.8 cm on each side is made of a metal alloy. After you drill a cylindrical hole 2.87 cm in…

A:

Q: A non-homogeneous bar is 50 cm long and its linear density is given by the function λ(x)=32 + 25x² ,…

A:

Q: Perform an order of magnitude estimate for the mass of the water it takes to fill your tub…

A: To estimate the mass of the water required to fill a bathtub halfway, we can use the density of…

Q: Object A has 5.3 times the mass and 1.1 times the volume of object B. If the density of object B is…

A:

Q: TRUE OR FALSE. A lead cube has a greater volume than a steel cube if both have the same mass.…

A: We know, Density=MassVolume                      d=mV or, V=md For same mass the volume depends on…

Q: A dimension is a measure of a physical quantity. Write the dimension of the following physical…

A:

Q: Neutron stars consist only of neutrons and have unbelievably high densities. Atypical mass and…

A: Given, mass of a neutron star is M=5.6×1028kg the radius of a neutron star is R=1.5×103m   a) Then…

Q: B-The equation of motion of spherical bubble growing freely in an inviscid Iquid is given a as…

A:

Q: Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and…

A: Given that Mass of the Neutron star M = 4.7 × 1028 kg Radius of the Neutron star R = 1.4 × 103 m…

Q: If a pirate has a treasure chest with a mass of 20 kg and dimensions of 40 cm x 30 cm x 25 cm, what…

A: Mass, m = 20 kg = 20000 gDimensions of 40 cm x 30 cm x 25 cm.Density is to be calculated.

Q: Since neutron stars consist totally of neutrons, they are extremely massive and have a density that…

A:

Q: A- Given that the volumetric flow rate for a fluid within a circular cross-section tube can be…

A:

Q: Select one: O a. LT1 O b.LT2 O c. ML'T2 O d. L?T2 O e. e. L-1 T-1

A: Dimensional Analysis Dimensional Analysis is a method of studying the dimensions of complex physical…

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

A:

Q: You are help to educate a patient on the ramifications of a partial arterial blockage you have…

A:

Q: Since neutron stars consist totally of neutrons, they are extremely massive and have a density that…

A:

Q: You have been given a small rock sample to identify based on its density. Suppose that you use the…

A: Density is a mass of unit volume.  It is the ratio of mass and volume It is measured in kg/m3

Q: Students are given three cubes made of unidentified materials. They need to determine whether or not…

A: Density is the ratio of mass and volume  D = m/V  If all the cubea are identical, then they must…

Q: Recall that density is massdivided by volume A neutron star is the remnant of certain supernovae…

A: Given: Diameter d = 20 km or 2 × 106 cm Radius = diameter2              = 106 cm Mass m = 1.989 ×…

Q: One side of a u-shaped tube is filled with a liquid of density (p1) while the other side contains a…

A:

Q: a) Find the density of such a star. 8186982660000( kg/m3 (b) If a dime (V = 2.0 × 10-7m³) were made…

A:

Q: Since neutron stars consist totally of neutrons, they are extremely massive and have a density that…

A:

Q: A student experimentally determines the density of a metal to be 5.0 g/cm^3. What is the most likely…

A: The density of the metal which is experimentally determined by the student is ρ = 5.0 g/cm3.

Q: true or false ? The ICRU sphere (ICRU, 1980) is a 30 cm diameter, tissue equivalent sphere with a…

A: Required : True or False.

Q: An automobile tire is shown in the figure below. The tire is made of rubber with a uniform density…

A: Step 1: Step 2: Step 3: Step 4: