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Mechanics 1 P42 2014; Discussion!
Will you be posting other solutions as well? -
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Mechanics 1 P42 2014; Discussion!
hahaaha. Hyper memory syndrome lol. And yayyyyy thanks. -
Mechanics 1 P42 2014; Discussion!
The 5kg one was resting on the slope. The 16 kg one was hanging from the pulley. -
Mechanics 1 P42 2014; Discussion!
you still have a chance at an A*. If you're chances go, then what about me? :( I made a lot of mistakes in Q5? -
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Mechanics 1 P42 2014; Discussion!
no worries. Still you get marks for the correct method,. -
Mechanics 1 P42 2014; Discussion!
A car of mass 600 kg is travelling along a horizontal road where the resistance to motion is constant and equal to R. The acceleration is 1.4 at a point when the power of the engine is 22.5kW and the speed of the car is 18/ Find R -
9709 MATHEMATICS P42 2014 GT
YIPIEEEEEEEE! :p Can I ask just one thing? The particles were travelling in opposite directions right? -
Mechanics 1 P42 2014; Discussion!
Yupp. See the mass of the car was 600kg and the acceleration was 1.4 and the Power given to you was 22.5 kW. and v=18 -
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Mechanics 1 P42 2014; Discussion!
Man after hearing your answers I can relax. Q7 (I) TA = 0.25a +2.5, TB = 7.5-0.75a (ii) a= 2 show (iii) 1.2 ms^-1 (iv) -6 ms^-2 or simply the magnitude of the deceleration was 6 -
Mechanics 1 P42 2014; Discussion!
P was 6150W because at constant speed the forward force will be equal to the resistive force. So using P =FV, where F=410 and v=15 -
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9709 MATHEMATICS P42 2014 GT
J13 was easyyyy. I got a perfect 50 when I attempted that paper -
9709 MATHEMATICS P42 2014 GT
Particle A is travelling from A at an acceleration of 0.5 ms^-2 and has started from rest. Particle Q passes through B and is travelling at a constant speed of 0.75 ms^-1 .They collide at time T. Find the value of T