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• (figure 1)a spherical cavity is excised from the inside of the sphere. the cavity has radius a4 and is centered at position h⃗ , where |h⃗ |<34a , so that the entire cavity is contained within the larger sphere. find the electric field inside the cavity. express your answer as a vector in terms of any or all of ρ (greek letter rho), ϵ0 , r⃗ , and h⃗ .
  
• read the excerpt from ""finding unity in the alabama coal mines.” the umwa’s efforts were so successful that they influenced practices in other trade unions as well. in 1901, arguments raised by umwa members led to the repeal of discriminatory practices at the birmingham trades council, the organization to which all unions in the city of birmingham belonged. two years later, in 1903, the coal companies began to assert significant power against the union, denying union contracts and instituting policies of hiring only non-union employees. in 1908, under the auspices of the alabama coal operators association, company owners voted to cut worker wages by seventeen percent. what is the effect of telling this story in chronological order?
  
• how many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
  
• read the excerpt from ""demon's run.” there were a lot of fights that day and a lot of claims stolen from their rightful owners. but margaret rode demon to the land office and filed the wellcomb’s claim before she went back to sit next to the stake and wait for her family. the claim held. based on the historical context, why can margaret’s actions be considered brave?
  
• casca. indeed they say the senators tomorrow mean to establish caesar as a king, and he shall wear his crown by sea and land in every place save here in italy. –the tragedy of julius caesar, william shakespeare what is the best analysis of the causal relationship in this scene? this decision will cause caesar to flee from rome. this decision will cause the conspirators to abandon their plot. this decision will cause cassius to act on his plans more urgently. this decision will cause cassius and casca to move on without brutus’s decision.
  
• the cpi is currently 153. if a coffee maker costs $31.90 today, how much did one cost in 1983, to the nearest cent? a. $20.85 b. $21.20 c. $26.60 d. $48.81
  
• between 1965 and 1968, the vietnam war was fought primarily on the sea. in the air. in the jungle. in large cities.
  
• allen bought 1,350 shares of stock for $12 per share. if he sold all his shares for $27,000, how much profit on each share did he make? a. $6 b. $8 c. $10 d. $12
  
• which statement best compares the union and confederate armies at the beginning of the civil war? the confederate army was much larger than the union army. the confederate army had stronger leadership than the union army. the union army was more experienced than the confederate army. the union army was much larger than the confederate army.
  
• an activity passes the ""lemon test” if it is not secular, biased, or entangled. secular, biased, and free of entanglement. secular, neutral, and free of entanglement. not secular, neutral, or free of entanglement.