Ed rolls a ball forward across the floor. it hits a wall 12 meters away and rolls back along the same path. it stops 5 meters from the wall. what is the displacement of the ball? 17 meters forward 5 meters forward 7 meters forward 12 meters forward

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

Describe the path of a ray that approaches a mirror parallel to the principal axis.

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25? , b) el tiempo que el balón permanece en el aire.