Find attached the question paper.
I need someone to check my answers for:
Question 4
(a) Dont know the answer (b) prevents it from going in a straight line
(c) i) 1. 600 N , 2. 600 N
ii) 150 N
iii) 450 N
iv)600 N
Question 9
(c) i) temp rise of water = 1.8 , temp fall of metal = 77.1
ii) 1512 J
iii) 392.2 J/Kg deg. Centigrade
iv) the use of the stirrer could transfer more energy to the metal than assumed in the experiment
AND I DONT KNOW HOW TO DO THESE ONES
Question 10 part (c) (d) (e)
Question 11 (c) iii)