OCR MEI Maths: Paper 1, Unofficial mark scheme

I got a different coefficient. About 0.2 ish

how did u guys find the paper overall ?

I got the parametric question wrong and I also said that the speed was decreasing in one of them. But overall it felt good. How about you?

what did you get for the differential equation question ?

I got a different coefficient. About 0.2 ish

I got a different coefficient. About 0.2 ish

there was a projectile question too. any answers ?

how did u guys find the paper overall ?

I got 0.506 coefficient of friction. I think the acceleration I subbed into f = ma was -1.31... I guess those getting 0.2 coefficients must've got different accelerations?

Comment answers below and will add.

Section A:
It tips
a=1/2

Section B:
Speed increasing
n=16 where sum is a maximum
Height around 91m
Range around 700-800m
Newton Raphson - 1.26 something
Stretch 1/sqrt53 in y-direction and translate across -0.2 something in column vector
for i and j: k=-4 and new velocity is 4i+9j


Differential equation
K= 1.4

Coeff. Of friction = 0.506

I got 0.506 for the coefficient of friction.

91.1m for y distance and 781.2 for x distance

yh same