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I. Masses of the objects- The larger the masses the stronger the gravitational force.
II. Distance of separation between the two objects- The longer the distance of separation the weaker gravitational force.
Wilfykil answered the question on April 15, 2019 at 06:03
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A mixture consists of 40cm3 of water and 60cm3 of liquid X. If the densities of water and liquid X are 1.0g/cm3 and 0.8g/cm3 respectively, calculate the density of the mixture.
Date posted: April 15, 2019. Answers (1)
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Date posted: April 15, 2019. Answers (1)
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Date posted: April 15, 2019. Answers (1)
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Date posted: April 15, 2019. Answers (1)
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Date posted: April 15, 2019. Answers (1)
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Date posted: April 15, 2019. Answers (1)
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Date posted: April 15, 2019. Answers (1)
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In an experiment to estimate the height of a tree in Nyabururu Girls’ Secondary School compound, Grace recorded the following data.
I. Length of shadow of the tree= 1000cm
II. Length of shadow of the rod = 200cm
III. Height of the rod = 100cm
Determine the height of the tree
Date posted: April 15, 2019. Answers (1)
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Date posted: April 15, 2019. Answers (1)
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Date posted: April 15, 2019. Answers (1)
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Date posted: April 13, 2019. Answers (1)
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Date posted: April 13, 2019. Answers (1)
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Date posted: April 13, 2019. Answers (1)
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(Solved)
Describe an experiment to demonstrate how impurities affect the melting point of a substance.
Date posted: April 11, 2019. Answers (1)
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An object is placed
a) 18cm and
b) 4cm in front of a concave mirror of focal length 12cm.
Determine the position and nature of the image formed in each case;
Date posted: April 11, 2019. Answers (1)
- An object is placed 30cm from a concave mirror of focal length 20cm. Calculate;
a. Image position
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An object is placed 30cm from a concave mirror of focal length 20cm. Calculate;
a. Image position
b. Magnification
Date posted: April 11, 2019. Answers (1)
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State the laws of reflection which apply to both concave and convex mirrors.
Date posted: April 11, 2019. Answers (1)
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Date posted: April 11, 2019. Answers (1)
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Date posted: April 11, 2019. Answers (1)