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How many balls each of radius 1 cm can be made from a solid sphere of lead of radius 8 cm?
It is: (4//3*pi*83) divided by (4/3*pi*13) = 512
How many radians is a dog that has been tethered with a 20 foot lead if the length of the path is 45 feet?
Oh, dude, let me break it down for you. So, if the dog is tethered with a 20-foot lead and the path it walks is 45 feet, that's like a radian situation. The angle in radians would be like 45 feet divided by the radius of the circle, which is 20 feet, so it's around 2.25 radians. But hey, who's counting, right?
What lead to the discovery of quadratic formula?
Meghan McGinty
True or false the English king offered grants of money to explorers who would lead expiditions?
false
How many strings of four decimal digits do not contain the same digit twice?
If the lead digit cannot be zero then there are 9 x 9 x 8 x 7 = 4536 combinations. If the lead digit can be zero then there are, 10 x 9 x 8 x 7 = 5040 combination.
How many balls each of radius 1 cm can be made from a solid sphere of lead of radius 8 cm?
It is: (4//3*pi*83) divided by (4/3*pi*13) = 512
How many lead balls each of radius 1 cm can be made from a sphere of radius 8 cm?
83 = 512
How many lead ball each of radius 1 cm can make a sphere of radius 8 cm?
The volume of a sphere is 4/3*pi*r3 So Vol8/Vol1 = 83/13 = 83 = 512
How do you calculate the density of lead in a sphere?
The density of lead is well known; you can look it up in any reference book on chemistry, or on the Internet. It is 11.34 grams per cubic centimeter, according to Wikipedia. But if you have a sphere that is only part lead, you can get the density of the sphere by weighing it, and dividing the weight by its volume. The volume of a sphere is 4/3 x pi x r ^ 3, where r is the radius of the sphere.
A glass sphere and a lead sphere have the same volume. Each sphere is dropped into a container of water. Which statement best explains why the lead sphere settles faster?
The lead sphere settles faster than the glass sphere because it is denser; density is defined as mass per unit volume. Since both spheres have the same volume, the lead sphere, being made of a heavier material, has a greater mass. This increased mass results in a stronger gravitational force acting on the lead sphere, causing it to accelerate downwards more quickly than the lighter glass sphere. Additionally, the buoyant force acting on both spheres is the same, so the lead sphere's greater weight allows it to overcome buoyancy more effectively.
What is the difference between a 12 guage shotgun and a 20 guage?
A 12 gauge shotgun is determined by the fact that 12 solid balls of lead will fit into the bore of the gun and thus these 12 solid balls of lead will equal a pound. Likewise, it takes 20 solid balls of lead fitting into the barrel of a 20 gauge shotgun to equal a pound. 10 solid balls of lead that equal a pound fitting in the bore of a shotgun would make that a 10 gauge, like wise a 16 gauge and a 28 gauge. There have been 8 gauge guns but an exception to all this is the 410 which is not a gauge but a caliber. The caliber of a 410 shotgun is .410 or there a bouts. Some research on your part will help you understand more if your desire but you can see that smaller balls make gauges with larger numbers and therefore, a larger number gauge like 20 will shoot shells that are smaller in diameter than those shot in a 12 gauge.
A uniform lead sphere and a uniform aluminium sphere have the same mass what is the ratio of the radius of aluminium sphere to the radius of the lead sphere?
d=m/v v= (4/3)(pi)(r^3) set up equation for aluminum and lead 11.3*10^3=m/( (4/3)(pi)(ri^3)) 2.7*10^3=m/( (4/3)(pi)(ra^3)) solve for m. then set two equations equal to each other, since they have the same masses. finally, solve your new equations for ra/ri 11.3*10^3( (4/3)(pi)(ri^3)) =m 2.7*10^3( (4/3)(pi)(ra^3)) =m 11.3*10^3( (4/3)(pi)(ri^3)) = 2.7*10^3( (4/3)(pi)(ra^3)) 11.3*10^3/2.7*10^3 = (ra^3)/(ri^3) (11.3*10^3/2.7*10^3)^(1/3)=ra/ri
Is lead a crystalline solid or amorphous solid?
as with all metals, lead is a polycrystalline solid.
Which element has a larger atomic radius silicon or lead?
Atomic radius of Si is 111pm.Atomic radius of Pb is 175pm.Therefore lead has a larger atomic radius than silicon.
Is lead hydroxide a solid?
Yes, lead hydroxide is a solid compound at room temperature.
Is lead a gas solid or a liquid?
solid
What is the state of matter for lead?
Lead is a solid at room temperature and pressure.
