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Questions and answers by
Winnie faith
Questions (10)
A boy has 10 identical marbles in a container consisting of a 6 red and 4 blue marble. He draws two marbles at random one after
2 answers
144 views
Explain briefly the term weightlessness
1 answer
106 views
Give three reasons why the weight of an object vary on the earth surface
1 answer
106 views
What is collision
1 answer
87 views
An object of mass 5kg moving with a speed of 30m/s is suddenly hit by another object moving in thesame direction, thereby
2 answers
228 views
A resultant force of 12N acts on a body mass of 10kg with momentum of 400kgm/s. How long does the force act on the body.
1 answer
200 views
Two fair dice are tossed, find the probability that total score that show up is:
A) 8 B)less than 6 C) greater than equal to 9 D)
2 answers
158 views
Quantity of goods consumed.
1 2 3 4 5 6 Total utility 0 10 16 _ 23 23 Marginal utility 0 10 4 _ 1 _ A) complete the above table
1 answer
256 views
If two fair dice are tossed together. What is the probability that the score will be
A) A prime number B)A perfect square C)
3 answers
169 views
A fair tetrahedral dice (with face number 1,2,3,4)and a fair coin are tossed together.
A) construct a table for the sample space
1 answer
427 views
Answers (1)
A body of mass 0.4kg is fired with a velocity of 600m/s into a static train of mass 0.085kg. Given that the static train can move freely, calculate the final kinetic energy after the impact.
