Answer: The pole is subjected to the force F which has

Introductory Chemistry 5
An iron nail with a mass of 12 g absorbs 15 J of heat. If the nail was initially at \(28\ ^{\circ}\mathrm{C}\), what is its final temperature? Equation Transcription: Text Transcription: 28 deg C

Physics: Principles with Applications 7
(III) An atomic nucleus of mass m traveling with speed v collides elastically with a target particle of mass 2m (initially at rest) and is scattered at \(90^{\circ}\). (a) At what angle does the target particle move after the collision? (b) What are the final speeds of the two particles? (c) What fra

Sears and Zemansky's University Physics with Modern Physics 13
Problem 62E Two rods, one made of brass and the other made of copper, are joined end to end. The length of the brass section is 0.300 m and the length of the copper section is 0.800 m. Each segment has cross-sectional area 0.00500 m2. The free end of the brass segment is in boiling water and the fr

Chemistry 12
The following Lewis structures for (a) HCN, (b) C2H2, (c) SnO2, (d) BF3, (e) HOF, (f) HCOF, and (g) NF3 are incorrect. Explain what is wrong with each one and give a correct structure for the molecule. (Relative positions of atoms are shown correctly.) (a) O Q HOCPN O (b) HPCPCPH (c) O OQOSnOO OQ (d)

Modern Chemistry: Student Edition 2012 1
For each equation, write all possible mole ratios. a. 2HgO(s) 2Hg(l) + O2(g) b. 4NH3(g) + 6NO(g) 5N2(g) + 6H2O(l)

Essentials of Human Anatomy & Physiology 11
Name the parts of a typical vertebra, and explain in general how the cervical, thoracic, and lumbar vertebrae differ from one another.

Urban Economics 8
Using Figure 177 as a starting point, suppose the initial utility-maximizing spending on special education is $5 rather than $25. As before, the lump-sum conditional grant for special education is $20. The income elasticity of demand for special education is 1.0. a. Show the response of the median ho

Principles of Economics 9
Fredo loves watching Downton Abbey on his local public TV station, but he never sends any money to support the station during its fund-raising drives. a. What name do economists have for people like Fredo? b. How can the government solve the problem caused by people like Fredo? c. Can you think of wa