BMAT 2009 Section 2 Question 19
An object of mass 5kg falls from rest and hits the ground at a speed of 20m/s. Air resistance isnegligible.From what height has the object fallen? Answer: 19) B From…
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9 January 2024
BMAT 2007 Section 2 Question 7
A 100 % efficient transformer has 1500 turns on its primary coil. The input to the transformer is 250V ac. The output current is 10A and the output power is…
9 January 2024
BMAT 2007 Section 2 Question 6
The oscillation period, t, for a spiral spring (weight w, radius R made from wire length l, radius r with a modulus of rigidity n) with a weight W hanging…
9 January 2024
BMAT 2009 Section 2 Question 18
The equation for the preparation of nitrogen monoxide is:a Cu + b HNO3 ------- a Cu (NO3)2 + c H2O + 2NOWhat is the value of b? Answer: 18) D…
9 January 2024
BMAT 2007 Section 2 Question 5
The three statements below are about exhaling.1 The ribs swing down and inwards during exhaling.2 The diaphragm muscles contract during exhaling.3 The pressure in the lungs increases during exhaling.Which statements…
9 January 2024
BMAT 2009 Section 2 Question 17
Which of the four statements below about natural selection are correct?1 Competition occurs between individuals of the same species.2 Competition occurs between individuals of different species.3 Selection can lead to…
9 January 2024
BMAT 2007 Section 2 Question 4
The equation connects the variables A, x, y, z, P and Q The following changes are made:x and y are both increased by 50 %z is decreased by 20 %P…
9 January 2024
BMAT 2009 Section 2 Question 16
Evaluate: Answer: 16) F Let us break down such a complicated problem into smaller parts. (2 x 10³) = 2000(8 x 10²) = 800 So, (2 x 10³) + (8…
9 January 2024
BMAT 2007 Section 2 Question 3
A detector of radioactivity shows background radiation to be 20 counts per minute with no radioactive sources nearby. A radioactive source which emits alpha particles and beta particles is brought…
9 January 2024
BMAT 2009 Section 2 Question 15
The graph represents the motion of a vehicle during part of a journey. What is the best estimate of the distance travelled during the part of the journey shown? Answer:…
9 January 2024