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The formula for the area of a rod, which is a cylinder, is given by A = 2πrh + 2πr^2, where A is the total surface area, r is the radius of the rod, and h is the length of the rod. The first term 2πrh represents the lateral surface area of the cylinder, which is the curved surface area, and the second term 2πr^2 represents the area of the two circular bases of the cylinder. By summing these two terms, we obtain the total surface area of the rod.
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Formula for volume of plain long rod?
pi*radius2*length in cubic units
What is the answer to page 8.12 in punchline bridge to algebra?
a fission rod (fishing rod)
How long must the brace be on a closet rod holder if the vertical side is 7 cm and the horizontal side must be attached 30 cm from the wall?
Pythagoras! length = sqrt (7 squared + 30 squared) ie sqrt 949 ie 30.81 cm
Why is aluminum difficult to weld?
Aluminum is a bit more difficult to weld than steel , because of it's lower melting point. Also Aluminum takes more heat , because of it's property of absorbing and releasing the heat quicker. With the proper electrode , or rod , and amps to volt settings, along with a bit of practise , it can be quite simple . One usually has to have a faster travel speed with the filler rod or electrode.
What is the volume of a rod?
The volume of a rod can be calculated using the formula for the volume of a cylinder, which is V = πr^2h, where r is the radius of the rod and h is the height (or length) of the rod. If the rod has a constant cross-sectional area, the volume can also be calculated by multiplying the cross-sectional area by the length of the rod. The unit of measurement for the volume of a rod would be cubic units, such as cubic inches or cubic centimeters.
How do you find the area of a rod?
If the rod has a radius of R and a length of L, then total area = 2*pi*R*(R+L) square units.
What is formula for calculate the weight of round brass rod?
First, you need to know the mass of brass: Brass, Specific Gravity 8.56 lb per Cubic Foot (from wikianswers) second: you need to know the length and radius of the rod. formula: divide the radius of the rod by two square the answer you get (multiply it by itself) multiply by pi You have now calculate the area of the rod's end. multiply the answer by the length of the rod and you get the volume of the rod finally, multiply the answer by the specific gravity for brass. The answer is the weight of the brass rod NOTE: make sure you use the same units for length and mass throughout the formula. In the above example you will have to know the radius and length in feet to yield the weight in lbs. If you want to know the answer in a different unit (ounces for example) you will have to convert the specific gravity to correct units.
What is the formula for the surface area of a pure rod?
Im not sure what you mean by a pure rod, but if you are talking about a solid rod, which is simply a cylinder, you can calculate its area as follows: πDL+(πR²)2 Which is pi times the diameter times the length plus pi times the radius squared multiplied by 2.
How do you solve the area of rod?
To find the area of a rod, you need to know its shape. If the rod is cylindrical, you can calculate the surface area using the formula for the lateral surface area of a cylinder: 2πr * h, where r is the radius and h is the height of the cylinder. If the rod has a different shape, you will need to use the appropriate formula for that shape to find its area.
Formula for volume of plain long rod?
pi*radius2*length in cubic units
Is the radius bar and rod the same thing?
i'am not sure if the radius rod and radius bar are the same on a twin i- beam truck
How do you calculate area of steelrod?
If the steel rod has a circular cross-section - the usual case - you can use the formula for a cylinder. Since the area of the base is quite small, it can be ignored - just calculate length x diameter x pi.
Moment of inertia of an helix?
The moment of inertia of a helix (coil) can be calculated using the formula for a thin rod rotated about its end axis. The moment of inertia of a helix will depend on its radius, pitch, and total length. It involves integration to account for the helical shape.
A cylindrical oil tank has a radius of 1 Through a hole in the top a vertical rod is lowered to touch the bottom of the tank Where on the rod should marks be put to show that the tank is .75 full?
at o.75 of the height of cylinder (or length of the rod)
Determine the volume of a steel rod which has a radius of 12.4 -0.5mm and a length of 243.3 -0.5mm?
radius=12.4+/-0.5mm length=243.3+/-0.5mm 1)length+width (12.4+/-0.5mm)+(243.3+/-0.5mm) (12.4+243.3)+/-(0.5+0.5) 255.7+/-o.1 2)length-width (243.3-12.4)+/-(0.5+0.5)mm 230.9+/-0.1
What is the weight of a cylindrical iron rod with the length of 91.2 cm and a diameter of 2.10 cm?
Depends on the material density, iron is roughly 8 (g /cm^3), multiply this by the volume to get mass, volume in this case = area * length area = pi * radius squared = 3.14159 * 1.05 * 1.05 = 3.464 cm ^2 volume = area * length = 3.464 * 91.2 = 315.92 cm ^3 volume times density = mass, in this case 315.92 * 8 = 2527.36 grams
