please. help mw with his physics 20 (grade11) quiz

I HAVE A TIME LIMIT

Question 11 In the frictionless pulley system illustrated below, the magnitude of acceleration experienced by the masses is Not yet m/s2. Round your answer to two significant figures. answered Marked out of 1.00 Flag 10.0 kg question O 10.0 kgQuestion 12 A lawnmower's handle is pushed at an angle of 30.0 below the horizontal. Not yet Time left 2:59:19 answered Marked out of 1.00 F applied Flag question 30 If the handle is pushed with a force of 92.0 N and it experiences a force of friction of 32.0 N, the magnitude of the net force on the lawnmower is N. Round your answer to three significant figures