# PHYSICS

1..........At what temperature of 0^C steel rod & copper rod have length of 80.1cm and 99.9cm respectively. At what temperature will the 2 rods have the same length.
Coefficients of linear expansion (per °C) copper rod----.000017 steel rod-------.000012

2.....The length of a brass bar increase from 4.001m into 4.0030 m. find the final temperature of the bar if the initial temperature was 0 Celsius.
Coefficients of linear expansion (per °C) brass----- .000019

1. 👍 0
2. 👎 0
3. 👁 357
1. I will be happy to critique your work. These are straightforward uses of simple equations.

1. 👍 0
2. 👎 0
👨‍🏫
bobpursley
2. Your question #1 still contains a typo error

1. 👍 0
2. 👎 0

## Similar Questions

1. ### PHYSICS

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C toward the rod away from

2. ### 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

One end of a thin rod is attached to a pivot, about which it can rotate without friction. Air resistance is absent. The rod has a length of 0.59 m and is uniform. It is hanging vertically straight downward. The end of the rod

4. ### Physics

If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of

1. ### Physics

a uniform rod of 3 kg and length 1 m is suspended from a fixed point by means of strings of length .8m and .6m which are attached to the free ends of the rod such that rod is horizontal. find the tensions in the string

2. ### physics

A uniform thin rod of length 0.55 m and mass 5.5 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is a rest when a 3.0-g bullet traveling in the horizontal plane of the rod is fired into one

3. ### Science

An alumium rod when measured with a steel scale both being at 25 degree celcius appears to be 1 meter long. If the scale is correct at 0 degree celcius, what is the true length of the rod at 25 degree celcius? What wull be the

4. ### physics

A steel rod of length 1m is heated from 25°c to 75°c keeping its length constant.The longitudinal strain developed in the rod is:(steel:12 X 10^-6/°c) "6X10^-4" ; "-6X10^-4" ; "0" please help me as soon as possible by explain

1. ### physics

A thin rod has a length of 0.25 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. The rod has an angular velocity of 0.33 rad/s and a moment of inertia of

2. ### Physics

Consider a metal rod that is 1.42 m in length at a temperature of 14.4°C. The coefficient of linear expansion is 5.22×10-5°C-1. What is the change in length of the rod as temperature increases from 14.4°C to 52.0°C.

3. ### Physics

A long thin rod of mass M = 2:00 kg and length L = 75:0 cm is free to rotate about its center as shown. Two identical masses (each of mass m = .403 kg) slide without friction along the rod. The two masses begin at the rod's point

4. ### Physics- Angular Momentum

A long thin rod of mass M=2.00 kg and length L=75.0 cm is free to rotate about its center. Two identical masses (each of mass m = .45kg) slide without friction along the rod. The two masses begin at the rod's point of rotation