A player uses the hockey stick to increase the speed of a 0.200 hockey puck?

Question

by 6 m/s in 2 seconds how much force was exerted on the puck

Answer 1

we will use Newton's second Law, F=ma

the mass is (presumably) 0.2kg

we can find the accel by knowing that the speed has changed by 6m/s in 2 s

accel=change in speed/time = 6m/s/2s=3 m/s/s

so the force used = 0.2 kg x 3 m/s/s = 0.6 N

Answer 2

acceleration = change in velocity/ time duration of change

a= 6/2= 3 m/s^2

You haven't put the units of 0.200, I'm assuming that this is mass given in Kg.

Force = mass * acceleration = 0.200 * 3 =0.600 Newton