# Posts by kulani

Total # Posts: 7

**mathematics literacy,CAT,economics,accounting**

Can i study to be a economist with thesr subjects?

**Life orientation**

discuss the responsibilities of the road users to ensure safety for one another

**physics**

can't answer ,need help.

**physics**

The system is frictionless and the trolley accelerates to the left at 3m/s squared. (a) calculate the unknown mass M. (b) calculate the magnitude of the forces in each string.

**physics**

22.98

**physics**

A tennis ball of mass 100g is dropped from a height of 40m.It hits the ground and bounces back to a height of 30m after an impact of 0,01s.Ignore the air resistance .what was the velocity of the ball when it hit the ground ?

**Algebra**

2x^2-1=6x 2x^2-6x-1=0 a b c and then solve by using the quadratic formula