Question and answer
Determine elongation of the rod in Question 39. (E = 200 GPa)
elongation of the rod = (PL) / (AE) with E = 200 GPa.
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Asked 37 days ago|1/29/2026 6:01:54 AM
Updated 37 days ago|1/29/2026 6:48:53 AM
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Added 37 days ago|1/29/2026 6:48:14 AM
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Deleted by Flora1988 [1/29/2026 6:48:56 AM]
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elongation of the rod = (PL) / (AE) with E = 200 GPa.
Added 37 days ago|1/29/2026 6:48:53 AM
This answer has been confirmed as correct and helpful.
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Questions asked by the same visitor
A wave has frequency 40 Hz and wavelength 0.5 m. Find wave speed.
Question
Not Answered
Updated 38 days ago|1/28/2026 6:44:02 AM
1 Answer/Comment
v = f ×
= 40 × 0.5
= 20 m/s
Added 38 days ago|1/28/2026 6:44:02 AM
This answer has been confirmed as correct and helpful.
A ball is thrown vertically upward at 20 m/s. Find the maximum height reached. (g = 9.8 m/s²)
Question
Not Answered
Updated 38 days ago|1/28/2026 6:42:56 AM
1 Answer/Comment
v² = u² - 2gh
0 = 20² - 2×9.8×h
400 = 19.6h
h = 400 / 19.6 = 20.4 m
Added 38 days ago|1/28/2026 6:42:56 AM
This answer has been confirmed as correct and helpful.
A car travels 180 m in 12 s at constant speed. Find its speed
Question
Not Answered
Updated 38 days ago|1/28/2026 6:45:44 AM
1 Answer/Comment
v = d / t
= 180 / 12
= 15 m/s
Added 38 days ago|1/28/2026 6:45:44 AM
This answer has been confirmed as correct and helpful.
A 10 resistor carries 3 A. Find the voltage.
Question
Not Answered
Updated 38 days ago|1/28/2026 6:43:12 AM
1 Answer/Comment
V = I × R
= 3 × 10
= 30 V
Added 38 days ago|1/28/2026 6:43:12 AM
This answer has been confirmed as correct and helpful.
A force of 40 N acts on a 8 kg mass. Find the acceleration.
Question
Not Answered
Updated 38 days ago|1/28/2026 6:46:02 AM
1 Answer/Comment
a = F / m
= 40 / 8
= 5 m/s²
Added 38 days ago|1/28/2026 6:46:02 AM
This answer has been confirmed as correct and helpful.
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