Ask a New Question
Search
Questions and answers by
Valeriya
Questions (10)
The trapezoid has a height of 24. E is a point where the trapezoid touches the inner circle, so that BE:EA = 9:16. Find the
1 answer
593 views
Two aluminium spheres P and Q, of masses 0.50 kg and 1.0 kg respectively, are released at the same time from the same height.
Why
1 answer
1,308 views
Which of the following is/are responsible for the transfer of thermal energy from a candle flame: conduction, convection,
0 answers
626 views
An object of mass 50 g floats in a liquid of density 2.5 g/ml. When the object is placed in a liquid of density 2.0 g/ml, it
1 answer
4,173 views
Basket A contains 4 apples, 6 oranges, and 2 lemons. Basket B contains 5 apples, 4 oranges, and 6 lemons. You are to get two
1 answer
2,669 views
A bag contains 8 blue and 2 red balls. Three balls are chosen at the same time at random from the bag. What is the probability
2 answers
4,405 views
Car X passes car Y on a motorway. Car X is travelling at 1.5 times the speed of car Y. The mass of car X is 5/4 of the mass car
1 answer
699 views
Two radioactive sources X and Y have half-lives of 3.0 hours and 2.0 hours, respectively. The product of the decay is a stable
1 answer
842 views
ABCDE is a circle with centre O. The diameter, AC, is extended to the point F so that CF = 16 cm. The line BF is the tangent to
1 answer
3,130 views
David has two boxes containing shapes.
In box A there are 4 stars and 2 hearts. In box B there are 2 stars and 1 heart. David
2 answers
4,389 views
