A projectile is fired from the edge of cliff , with initial velocity component of v0x=60 and v0y=175 . The projectile rises and then falls into sea. time of the flight of projectile is 40.0 s. what is the height of the cliff of the air resistance is negligible

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?