Let the distance between the man and the reflector be x, then;
Speed v= 2x/t= 2x/1.2 =330m/s
x=(1.2*330)/2 =198m
Moraa orina answered the question on April 8, 2018 at 10:04
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The wheel of a car is rotated at 120 revolutions per second, calculate: (a) The period, T (b) The speed of the waves generated if the wavelength...
(Solved)
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Date posted:
April 8, 2018
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Answers (1)
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Date posted:
April 8, 2018
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April 8, 2018
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April 8, 2018
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April 8, 2018
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April 8, 2018
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(Solved)
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Date posted:
April 8, 2018
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Answers (1)
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Determine the position, size and nature of the image of an object 4cm tall placed on the principal axis of a
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Date posted:
April 8, 2018
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Date posted:
April 7, 2018
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Answers (1)
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Date posted:
April 7, 2018
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Date posted:
April 7, 2018
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Date posted:
April 7, 2018
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(Solved)
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Date posted:
April 7, 2018
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Answers (1)
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Date posted:
April 7, 2018
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Answers (1)
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Date posted:
April 7, 2018
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Date posted:
April 7, 2018
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(Solved)
A lamp of height 6cm stands in front of a pinhole camera at a distance of 24cm. The camera screen is 8cm
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Date posted:
April 6, 2018
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(Solved)
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Date posted:
April 6, 2018
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Date posted:
April 6, 2018
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Date posted:
April 6, 2018
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