Recent content by milan.007

Thanks a lot, that answers my question.

Just a general question, if there is an obstacle in a pipe, such as a turbine, will the speed of the fluid before the turbine be the same as after it? Or will the turbine cause the speed in the whole pipe to slow down?

k thanks

Homework Statement A skateboarder with total mass of 70kg starts from rest at the top of a ramp and accelerates down it. The ramp is 25m long and is at an angle of 20 degrees to the horizontal. The skateboarder has a velocity of 12.2m/s at the bottom of the ramp. Calculate i) the average...

Work done is force x displacement.

Homework Statement A gun of mass 500Kg fires a shell of mass 2Kg with a muzzle velocity of 500m/s. Calculate: i) the velocity of recoil of the gun ii) the force required to stop the gun in a distance of 0.25m Homework Equations The Attempt at a Solution i)I got the velocity of...

I know I am suppsed to use those equations but i don't know how? I don't know what to do with the 10 seconds.

Exam coming soon, need urgent help with this question! Homework Statement A body leaves a point A and moves in a straight line with a constant velocity of 40m/s. Ten seconds later another body which is at rest at A is given an accelleration of 2m/s[SIZE="1"]2 and moves in the same direction...