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Amponsah

Questions (5)

The radius of the moon is one fourth and its mass is one eighty first that of the earth. If the acceleration due to gravity on
1. 4 answers
2. 1,303 views
Given that acceleration due to gravity at the surface of the earth is 9.8N/kg, estimate a value for the mass of the earth.
1. 1 answer
2. 378 views
A bag contains some balls of which 1/4 are red. Forty more balls of which 5 are red are added. If 1/5 of all the balls are red,
1. 6 answers
2. 2,788 views
A curve passes through the point (1,-11) and it's gradient at any point is ax^2 + b, where a and b are constants. The tangent to
1. 4 answers
2. 1,655 views
A spacecraft of mass 500kg lands on the moon. Calculate the moon's gravitational pull on it given that mass of the moon is 7.5 x
1. 2 answers
2. 729 views

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