Questions and answers by

Bettina

Questions (7)

1.a ball with a mass 2kg rests on an incline with an angle of 10 degrees. The ball is released to roll down the incline plane
1. 1 answer
2. 641 views
1.a train with a mass of 120mg accelerates uniformly on a horizontal track. The resistance to movement is 5N per kN of the mass
1. 0 answers
2. 521 views
Key: logx= log base x1. Prove that: (logx64 +logx4 -logx8)/(logx1024) =1/2 2.factorize by grouping r^2s^2+3t^2+r^2t^2+3s^2
1. 1 answer
2. 1,138 views
1.an engine develops 65kW over a period of 20minutes. The engine uses 5kg of petrol.Calculate the following:- A. The heat
1. 0 answers
2. 569 views
1.an engine develops 65kW over a period of 20minutes. The engine uses 5kg of petrol.Calculate the following:- A. The heat
1. 0 answers
2. 524 views
SimplifyA.1/root a +2 b.root 18/25 c.root a x cubed root a d.root x + 2 root y/root x-2 root y e.root5 x root72 /root 3
1. 5 answers
2. 715 views
34, 27, 33, 29, 31, 52, 65, 38a) Find the Q1 of these numbers. b) Find the Q3 of these numbers.
1. 1 answer
2. 330 views