subject
Physics, 10.02.2020 23:50 jaymoney0531

A student measures the spring constant k of a spring by loading it and measuring the extension. (According to Hooke's law, if l is the load and e is the extension, then k = l/e. Assume five independent measurements are made, and the measured values of k (in N/m) are 36.4, 35.4, 38.6, 36.6 and 38.0 Estimate the spring constant, and find the uncertainty in the estimate. Find an approximate value for the uncertainty in the average of 10 measurements. Approximately how many measurements must be made to reduce the uncertainty to 0.3 N/m? A second spring, similar to the first, is measured once. The measured value for k is 39.3. Approximately how mu Ch is the uncertainty in this measurement?

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 03:00
Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.
Answers: 2
question
Physics, 22.06.2019 11:00
Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.
Answers: 3
question
Physics, 22.06.2019 17:00
Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
Answers: 2
question
Physics, 22.06.2019 17:00
Adiver named jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). the temperature at the bottom is 4.00 ∘c, and the temperature at the surface is 23.0 ∘c.what is the ratio of the volume of the bubble as it reaches the surface (vs) to its volume at the bottom (vb)? if jaques were to hold his breath the air in his lungs would be kept at a constant temperature. would it be safe for jacques to hold his breath while ascending from the bottom of the lake to the surface?
Answers: 1
You know the right answer?
A student measures the spring constant k of a spring by loading it and measuring the extension. (Acc...
Questions
question
Mathematics, 23.07.2021 02:10
question
Mathematics, 23.07.2021 02:10
question
Mathematics, 23.07.2021 02:10
Questions on the website: 13722359