# physics

posted by .

A hole in an aluminum plate has a diameter of 1.465 cm at 22.80° C.
(a) What is the diameter of the hole at 199.0° C (to four significant digits)?

(b) At what temperature is the diameter of the hole equal to 1.463 cm (to three significant digits)?

• physics -

the diameter expands by ∆L=L0.α. ∆T

## Similar Questions

1. ### physics

A square plate made of copper has a length of 4.253 m on a side, at 15.00 degrees Celsius. A hole is drilled in the plate, the diameter of which is 1.750 m. The plate is heated to 177.00 degrees Celsius. Assume that alpha= 16.8* 10^-6 …
2. ### Physics

How do i get the answer A steel ball of diameter Lb = 4.196 cm is placed on a hole of diameter Lh = 4.042 cm on an aluminium plate. The initial temperature is 14 ¢XC. What would be the minimum temperature so that the ball will fit …
3. ### Chemistry

A NASA satellite showed that in 2003 the ozone hole was much larger than it was in 2002. The 2003 hole measured 1.04 x in diameter, while the diameter of the 2002 hole was 6.9 x Calculate the difference in size between the two holes …
4. ### Physics 4B

To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. A steel rivet 1.873 cm in diameter is to be placed in a hole 1.871 cm in …
5. ### physics

a cylinder of diameter 1cm at 30degree celcius is to slid into a hole on a steel plate. the hole has a diameter of 0.9997 cm at 30 degree celcius. to what temperature must be the plate be heated when steel has the alpha 1.1X10^-5/degree …
6. ### Application problems with fractionsþ

Cheryl is fitting a turquoise stone into a bear claw pendant. Find the diameter of the hole in the pendant. (The diameter, which is 7/8 inches, is the distance across the center of the hole. The two areas outside the hole are 3/16 …
7. ### Physics

A circular hole in an aluminum plate is 2.725 cm in diameter at 0.000 degrees celsius. What is its diameter when the temperature of the plate is raised to 100.0 degrees celsius?
8. ### Physics

A ball and a thin plate are made from different materials and have the same initial temperature. The ball does not fit through a hole in the plate, because the diameter of the ball is slightly larger than the diameter of the hole. …
9. ### physics

A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0046 cm, and a flat plate contains a hole whose diameter is 2.0000 cm. The rod is cooled so that it just fits …
10. ### Physics

A plate made of steel has a 18.9979 mm diameter hole cut into it. A 19.0000 mm diameter ball made of glass is sitting in the hole. Both are at an initial temperature of 9.00 deg. C. If the plate and ball are both heated, at what temperature …

More Similar Questions