[填空题]
The lengths of the sides of ah:(d *sz0kx3 ,j tokyg rectangul4ih- na*d3 pshp.)aba ar plate are measured, and the diagram shows the measured values with their uncertainhsda- *hp.43ia )npabties. What is the percentage error in the area of the plate? %. (Remember to exclude the % symbol with your answer.)
参考答案: 6
本题详细解析: Area involves a multiplication so the percen8z3v jl,i7: 6aim necotage uncertainties need to be added. Uncertainty in length is onal7 cioe j83zmiv6 ,:ne part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
