help pls 1) A copper collar is to fit tightly about a steel shaft whose diameter...
1- 2- 3- 4- 1) A copper collar is to fit tightly about a steel shaft whose diameter is 6.0088 cm at 18°C. The inside diameter of the copper collar at that temperature is 5.9800 cm. To what temperature must the copper collar be raised so that it will just slip on the steel shaft, assuming the temperature of both the steel shaft and copper collar are raised simultaneously? 0.62*10-4 You currently have 1 submissions for this question. Only...
The Hubble Space Telescope has a diameter of 2.4 m. 1) What is the angular limit of resolution due to diffraction when a wavelength of 640 nm is viewed? (Express your answer to two significant figures.) x10-6 degrees Submit You currently have 3 submissions for this question. Only 10 submission are allowed. You can make 7 more submissions for this question. Your submissions: 18.64 Computed value: 18.64 Feedback: x Submitted: Wednesday, November 20 at 7:19 PM