Posts by kulani
Total # Posts: 7
Can i study to be a economist with thesr subjects?
discuss the responsibilities of the road users to ensure safety for one another
can't answer ,need help.
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.
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 ?
2x^2-1=6x 2x^2-6x-1=0 a b c and then solve by using the quadratic formula