Speed=d/t=12/4
=3m/s
Speed=f*wavelength
3=2*wavelength
Wavelength=3/2
=1.5m
jim items answered the question on September 17, 2018 at 08:52
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The length of a spring is 16cm. Its length becomes 20cm when supporting a weight of 5.0N.Calculate the length of the spring when supporting a...
(Solved)
The length of a spring is 16cm. Its length becomes 20cm when supporting a weight of 5.0N.Calculate the length of the spring when supporting a weight of 200N and comment based on the answer.
Date posted:
September 17, 2018
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Answers (1)
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(Solved)
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Date posted:
September 17, 2018
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Answers (1)
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September 11, 2018
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August 23, 2018
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Date posted:
August 21, 2018
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(Solved)
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Date posted:
August 19, 2018
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Answers (1)
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Date posted:
August 19, 2018
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Answers (1)
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(Solved)
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Date posted:
August 19, 2018
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Answers (1)
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(Solved)
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Date posted:
August 14, 2018
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(Solved)
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August 14, 2018
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Answers (1)
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August 7, 2018
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Answers (1)
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August 7, 2018
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Date posted:
August 7, 2018
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Answers (1)
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(Solved)
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Date posted:
August 7, 2018
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Answers (1)
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(Solved)
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Date posted:
August 6, 2018
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Answers (1)
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(Solved)
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Date posted:
August 6, 2018
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Answers (1)
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X-rays are used for detecting cracks inside metal beams.(i) State the type of the X-rays used(ii) Give a reason for your answer in (i) above.
(Solved)
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Date posted:
August 2, 2018
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Answers (1)
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A force of 100N is applied to an area of 100 square millimeters. What is the pressure exerted on the area?
(Solved)
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Date posted:
July 20, 2018
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Answers (1)
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(Solved)
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Date posted:
July 13, 2018
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Answers (1)
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(Solved)
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Date posted:
July 11, 2018
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Answers (1)