# Posts by reda

Total # Posts: 5

**algebra**

The function h(t) = 200 - 16t represents the height of a ball droppped from 200 feet. How far had the ball traveled after falling for 11 seconds?

**Physics**

Three charges +2q, -q and -q are placed at the vertices of an equilateral triangle. What is the electric field and the potential at the circumcenter of the triangle?

**trig**

simplify tan(-17 degree)+sin(24 degree)+cot(73 degrees)+cos(66 degrees in(-24 degree)

**Physics 101**

What is the net force of a 5.0 N force and an 7.0 N force acting on an object for each of the following conditions? (a) The forces act in opposite directions. ( )N (b) The forces act in the same direction.( )N ---------------------------------------------- A force of 2.4 N is ...

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