fine grains of beach sand are assumed to be spheres of radius a. 45.7 μm. These grains are made of silicon dioxide which has a density of 2600 kg/ m^3. What is the mass of each grain of sand. Answer in kgs.

Q: What's mu? If p has a unit of [kg/m), v has a unit of [m/s), D has a unit of [m), and Ris unitless,…

A: Given:Let the : density be 'ρ' → kg m-3  speed be 'v'→ m s-1 length be 'D' → m

Q: Which of the following sets of data shows the MOST precise measurement if the real mass of an object…

A:

Q: Problem #4: The temperature at a point (x, y) on a rectangular metal plate is given by 100 T(x, y)…

A:

Q: GMm F = Newton's law of universal gravitation is represented by the gravitational force exerted by…

A:

Q: A + B + C = 0 Problem 1: A new landowner has a triangular piece of flat land she wishes to fence.…

A:

Q: (a) A pyramid has a height of 478 ft and its base covers an area of 15.0 acres (see figure below).…

A: Given The height of the pyramid is h = 478 ft. The base area covers by the pyramid is B = 15 acres =…

Q: 5. A sheet of construction paper measures 20 mm by 15 mm, and the volume is 4 mm3, where V = lwt a.…

A: Volume is defined as the amount of space occupied by an object.

Q: The dimensions of the quantity kinetic energy, designated by K, are kg •m2/s2. It can be written in…

A: (a) The expression of kinetic energy in terms of momentum is given as, For unit calculation as,…

Q: Suppose [V] = L3, [ρ]=ML–3,[ρ]=ML–3, and [t] = T. (a) What is the dimension of ∫ρdV?∫ρdV? (b) What…

A:

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

A: Buoyant Force is given by FB = ρgV FB is Buoyant Force which has dimensions [MLT−2] where ρ is…

Q: What is the ratio of the surface area to the volume (a) for the 1 m sphere (b) for the 2 m sphere…

A: Given data The radius of the first sphere is r1=1 m The radius of the second sphere is r2=2 m The…

Q: You are given a steel ball bearing 0.553 inches in diameter. (a) What is the volume of this ball…

A:

Q: E. Multiplication and Division (Express your answers in scientific notation.) 9,000,000,000,000 X…

A: This question is based on Units and Measurement topic. Scientific notation is a method for…

Q: The dimensions of the quantity kinetic energy, designated by K, are kg • m2/s2. It can be written in…

A: Given :  Units of Force and Energy Required : Units of momentum in SI units in terms of kg, m , s…

Q: What is the difference between a base unit and a derived unit? (b) What is the difference between a…

A:

Q: The height of a hill (in feet) is given by h(x, y) = 18(16 – 4.x2 –- 3y² + 2xy + 28x – 18y) where x…

A:

Q: how many significant figures are in the numbers 999.0 and 1000.0?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: a) A pyramid has a height of 484 ft and its base covers an area of 11.0 acres (see figure below).…

A:

Q: which of the ff. is a vector quantity? a. Pressure b. Force c. Energy d. Potential Difference e.…

A: Given:- many partss related to vector.

Q: . My height is 5'3 inches. What is my height in meters?  b. My height is 5'3 inches. What is my…

A: Given data:  Height (h) = 5'3 inches Mass (m) = 48 kilograms

Q: A large sheet of construction paper measures 20mm by 15mmand the volume is 4mm³, where v=lwt A. What…

A: A) Write the expression for the volume and substitute the required values.

Q: (a) What is the area and uncertainty in area of one side of a rectangular plastic brick that has a…

A:

Q: During a month-long advertising campaign, the total sales S of a magazine is modeled by the function…

A: The sales function is, Sx=2x2+48x+11000 (a) The average rate of change of sales from 10 to 20 can be…

Q: One cubic centimeter (1.0 cm3) of water has a mass of 1.0 ✕ 10−3 kg. (a) Determine the mass of 1 m3…

A: V=1cm3 = 1*10-6m3, m=1*10-3kg ρ=m/v = 1*10-3 / 1*10-6 = 1*103 Kg/m3 -i) (a) Now v=1m3 Mass(m)= ρ*v…

Q: How many cubic feet are there in a room measuring 6m x 9m x 3m? (1 foot=3m) B) How many…

A: Given data: Room dimensions = 6m × 9m × 3m 1 foot = 0.3 m Volume of box (V) = 120 cm3 1 cm = 10 mm

Q: A partly-full paint can has 0.831 U.S. gallons of paint left in it. (a) What is the volume of the…

A: Given Data: The paint left is: V=0.831 U.S. gallons (a) Convert the volume of the paint form U.S.…

Q: What mass of a material with density ρ is required to make a hollow spherical shell having inner…

A:

Q: One molecule of water (H2O) contains two atoms of hydrogen and one atom of oxygen.A hydrogen atom…

A:

Q: Kinetic energy K has dimensions kg · m²/s?. It can be written in terms of the momentum p and mass m…

A:

Q: The outside dimensions of a cylindrical soda can are reported as 12.559 cm for the diameter and 5.62…

A: Given:

Q: What's mu? If p has a unit of [kg/m³), v has a unit of [m/s], D has a unit of [m], and Ris unitless,…

A: Given data:  Unit of ρ = kg/m3  Unit of v = m/s Unit of D = m and R is unit less  R = vDρ/μ…

Q: a) Acceleration is described as space divided by time squared. Determine the dimensions of…

A:

Q: Q5: A solid piece of lead has a mass of 23.94 g and a volume of 2.10 cm³. From these data, what is…

A:

Q: What's mu? If p has a unit of [kg/m³], v has a unit of [m/s], D has a unit of [m], and R is…

A: Given : Unit of :ρ = kg/m3v= m/sD= mR = unitlessEquation :R = vDρμ

Q: (a) Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten…

A: a). the number of cells in a hummingbird is given by

Q: A force vector has a magnitude of 588 newtons and points at an angle of 45o below the positive x…

A:

Q: p² The dimensions of the quantity kinetic energy, designated by K, are kg • m2/s2. It can be written…

A:

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

A: Given: The buoyancy force is given as. FB = ρgV The FB has dimensions [MLT−2], ρ (density) has…

Q: You are to measure the area of a flat rectangular surface using a meterstick. The measured…

A:

Q: 1.2 Let us assume that we are to determine the volume of a spherical ball bearing. After of the…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: A block of gold has a length of 5.62 cm. width of 6.35 cm and height of 2.78 cm. (a) Calculate the…

A: Given that:Length, l=5.62 cmWidth, b=6.35 cmHeight, h=2.78 cm

Q: .5 mm of rain falls in a 100 m2 field. (1 cubic meter = 1000 liters) (1-gram water = 1 mL water)…

A: CONCEPT: Given, Height of rain water = 0.5 mm = 0.0005 m Area of ground = 100 m2  1 cubic meter =…

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.