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What do you mean by the Youngβs modulus for steel is π = π. π Γ ππππ π΅πβπ
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A 6.61 kg pendulum hangs in an elevator. The tension in the string supporting the pendulum if the elevator moves upward with a constant acceleration of 2.41 m/s2Β isΒ ab.cΒ N [up].Β Input the values ofΒ a,Β bΒ andΒ cΒ into the blank and use the guidelines below:
- Do not include a positive or negative sign.
- Include a decimal in your answer.
- Use a acceleration value of 9.81 m/s2
- Let up be positive
Write down five real life applications of surface tension.
Illustrate the stress and strain of solids
Write a short note on polymer materials and amorphous solid.
Gold has a face centered cubic unit cell and has the density ππ. π π ππβπ. Calculate the length along an edge. (π΄π’ = 197 π πππβ1)
What do you mean by the Youngβs modulus for steel is π = π. π Γ ππππ π΅πβπ ? Explain briefly.
A capillary tube with an inside diameter of πππ ππ can support a πππ ππ column of liquid that has a density of πππππ πππβπ. If π = π. π then is it possible to find the surface tension of the liquid? If not, then write down the reason.
Consider repeated timings of 50 swings of pendulum to be 23.8, 23.5, 23.7, 23.4 seconds. Calculate the standard error in the measurement.
The focal length of a thin lens obtained by repeating measurements is given as follows: 10.1, 10.3, 9.9, 10.0, 9.8cm. what is the average focal length and the mean deviation.
